Answer:
The correct answer is option C "The pressure change causes the organ of Corti to vibrate vertically".
Explanation:
The organ of Corti is an important structure for auditory perception that acts as a receptor organ for hearing. The organ of Corti is located in the mammalian cochlea and it allows for the transduction of auditory signals into nerve impulses according to the vibrations that are received from external sources. If the receiving sounds comes from the stapes pushing against membrane covering the oval window, the pressure change will causes the organ of Corti to vibrate vertically. Stimulus from membrane covering the oval window are sent to the organ of Corti, which responds by vibrating vertically.
14. The fluid transported through lymph capillaries and vessels (lymphatics) is known as:
Answer:
Lymph
Explanation:
The lymph is the colorless (due to the lack of red blood cells) fluid that circulates through the lymphatic system (lymphatic vessels, nodes, and capillaries), is formed of white blood cells, low protein content and it transports fat and fat-soluble vitamins.
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Which perspective views diseases as being caused by a combination of several different factors and involves the person who is sick playing a role in fostering his or her own health rather than passively getting treatments from a doctor?
Answer:
The correct answer on the perspective that views disease as being caused by a combination of several factors and that the person who is sick plays an important role in his/her own health is the "Biopsychosocial Model".
Explanation:
The Biopsychosocial Model had been used for over 50 years by the medical science to point to the various factors that influence the diseases of an individual, including the role the sick play in the improvement of his/her health. This model refers to the biological, Psychological, social and other cultural aspects of the sick person as causes of the ailment, and identify the personal believe and mindset of the sick person toward the improvement of his health.
The Biopsychosocial Model of Health views diseases as being caused by a combination of several different factors and involves the person who is sick playing a role in fostering their own health.
Explanation:The perspective that views diseases as being caused by a combination of several different factors and involves the person who is sick playing a role in fostering their own health is the Biopsychosocial Model of Health.
This model asserts that biology, psychology, and social factors interact to determine an individual's health. It recognizes that diseases can have multiple causes, including biological, psychological, and social factors.
For example, if a person is diagnosed with a chronic illness like diabetes, the biopsychosocial model would consider the biological factors such as genetics, the psychological factors such as stress and coping mechanisms, and the social factors such as access to healthy food options and social support networks.
Because they cannot run away like animals can, plants cannot respond to environmental stimuli.
Answer:
Plants respond to environmental stimuli. Movement towards light, movement towards water, movement towards soft soil
Explanation:
Forest resource managers generally aim to maintain a resource population at the level where it________.
A) delivers the maximum sustainable timber yieldB) best protects habitatC) best protects predatorsD) has stabilized at the carrying capacityE) is just above the level it needs to be at to prevent dieback of the population
Answer: Option A
Explanation:
Forest resources managers generally aim to maintain the resources population at the level where it delivers the maximum sustainable timber yield.
The forest resources provides different types of resources like woods, timber, fruits, vegetables and many therapeutic plants and trees.
The more sustainable place is generally where there is high yield of timber from the forests.
Forest resource managers aim to maintain a resource population at the level where it delivers the maximum sustainable timber yield.
Explanation:Forest resource managers generally aim to maintain a resource population at the level where it delivers the maximum sustainable timber yield. This means that they strive to balance the need for timber production with the need to sustain the forest ecosystem.
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Match the forms of energy to their characteristics.
Tiles
thermal energy
radiant energy
electrical energy
sound energy
Phrase:
produced by the vibration of particles
produced by the movement of electrons
produced by the movement of heat
produced by the movement of photons
Answer:
thermal energy - produced by the movement of heat
radiant energy - produced by the movement of photons
electrical energy - produced by the movement of electrons
sound energy - produced by vibrations of particles
Explanation:
Thermal energy is also known as heat energy. It occurs when heat is transferred in an object.
Radiant energy involves the movement of photons (particles with electromagnetic energy)
Answer:
Explanation:
1. thermal energy: produced by the movement of heat
2. radiant energy: produced by the movement of photons
3. electrical energy: produced by the movement of electrons
4. sound energy: produced by the vibration of particles
Science is an approach to studying the supernatural world that involves formulating hypotheses and then testing them to see if the hypotheses are supported or refuted.a. Trueb. False
Answer:
False
Explanation:
All the major consideration of science is observation based. Hence, like all research studies concepts of natural world can be tested through research methods where after observation, question or query is to be raised. After the question a hypothesis is to be formulated for which in depth research is required for associated or linked concepts through literature review. Based on the literature review, data is to be collected and assessed. Based on this assessment, either the hypothesis is to be accepted or rejected.
Hence, the given statement is false
Answer:
False.
Explanation:
Science may be defined as one of the subject that mainly deals with the study of the phenomena of the nature. Different field of science are chemistry, biology and physics.
Supernatural world may be defined as some phenomena that are beyond the understand of the science. No experiment or scientific observation can explain the powers of the supernatural world. This phenomena are against the laws of nature.
Thus, the answer is false.
During bone development, immature bone cells called __________ produce bony tissue.
Answer:Cartilage
Explanation: now bone tissue is called cartilage it colds your bones together when the cartilage is fully grown it then hardens into bone.
A type of implant that is surgically inserted in the inferior border of the mandible is a(n) _______________ implant.
Answer:
Transosteal
Explanation:
One of the ways to get a missing or broken tooth fixed is through dental implants. It can also be used to fix loose teeth. For this to occur, a tooth root is needed to hold in place the dental prosthesis. Dental implants involve surgically fixing of metal frames (surgical component) into the jawbone beneath the gum to serve as the tooth root. This surgical implant, which now serves as a tooth root, enables the dentist to fix a replacement tooth.
Transosteal implant is a type of dental implant in which the surgical component is a U-shaped metal frame or pins that is inserted into the lower jaw followed by the replacement tooth on top during tooth replacement.
_____________ refers to the automatic process of noticing stimuli, and _____________ refers to the automatic process of filtering information cues A. Understanding: evaluating B. Sense-making; understanding C. Cognition; attribution D. ldentifying: validating E. Attention; perception
Answer:
E. Attention; perception
Explanation:
Attention:
Its simply refered to as the process of focusing a certain measure of cognitive resources needed to obtain the significant results from transforming inputs on sensory or mental incidents
Perception:
This are processes needed to process each daily stimuli an individual encounters. It relies on understanding several sensations by receiving and processing stimuli gotten from the environment.
An experimenter wanted to test the effects of cigarette smoking on rats. She infused the cages of 50 rats with cigarette smoke and the cages of another 50 rats with pure, clean air. The rats that received the clean air were the ____.
Answer:
Control group
Explanation:
A control group is a group of individuals in an experiment where the independent variable being tested (the exposition to cigarette smoke in this case) can't influence the results. This control group will be then compared to the experimental group (exposed to the smoke) to see the effect of the variable evaluated.
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The rats that received clean air are the control group. They serve as a reference point in the experiment, exposed to the same conditions as the experimental group except for the variable being tested. The purpose is to rule out other factors and accurately determine the effects of cigarette smoke.
Explanation:In the described experiment, the control group would be the rats that received the pure, clean air. In scientific experiments, the control group serves as a standard or reference point against which effects or results are measured. They are exposed to the same conditions as the experimental (or treatment) group except for the variable being tested, in this case, the cigarette smoke.
The use of clean air for the control group is to determine if any changes observed in the rats exposed to the cigarette smoke are indeed due to the smoke or possibly other unrelated factors. Hence, the purpose of the control group is to rule out any environmental influences or factors over the result of the experiment. By comparing the two groups, the scientist would be able to establish the effects of cigarette smoke more accurately.
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Just a few years ago, biologist and medical personnel were surprised to learn that fetal cells can escape and enter the mother's blood. How can these cells be used in fetal testing?
Answer:
DNA of these fetal cell can be extracted by identifying fetal cell in a normal blood test report of the mother
Explanation:
In a normal blood test, the screening type is noninvasive which means that no external tools are used for deriving body cell.
So in such test, the blood is screened to look for the cell of the fetal from which the DNA of the baby can be extracted. This test is predominantly done after the 56 days of pregnancy. The genetic assessment of the fetal DNA is done to determine if he/she has any specific sort of genetic problem such as Down syndrome, etc. After this test is complete, the doctor can recommend for further in depth assessments such as amniocentesis
Fetal cells in the mother's blood can be used for non-invasive prenatal testing (NIPT), which helps in detecting genetic abnormalities and determining the Rh status of the fetus without posing any risk to it.
Explanation:Fetal cells can escape into the mother's blood and are used in fetal testing, which provides a non-invasive method to assess the fetal genetic health. This testing is known as non-invasive prenatal testing (NIPT) and can detect chromosomal abnormalities such as Down syndrome, Edwards syndrome, and Patau syndrome, among others. Unlike amniocentesis, which involves drawing amniotic fluid and comes with a risk of miscarriage, NIPT poses no risk to the fetus since it requires only a blood sample from the mother. The presence of fetal DNA in maternal blood allows for this screening, and it is also useful in determining the Rh status of the fetus, thus helping in the management of potential Rh incompatibility.
7. You are a conservation biologist, studying genetic variation in three populations of an endangered species of ladybug beetle. Population 1 has 20 beetles, two of which have brown spots, a recessive trait; the other nine beetles have red spots. Population 2 has 150 beetles and 15 of them have brown spots, while 135 have red spots. Population 3 has 50 beetles, and five of them have brown spots. In which population is the frequency of the allele for brown spots the highest
The question is incomplete. The complete question is:
Question: You are a conservation biologist, studying genetic variation in three populations of an endangered species of ladybug beetle. Population 1 has 20 beetles, two of which have brown spots, a recessive trait; the other nine beetles have red spots. Population 2 has 150 beetles and 15 of them have brown spots, while 135 have red spots. Population 3 has 50 beetles, and five of them have brown spots. In which population is the frequency of the allele for brown spots the highest?
a. Population 1
b. Population 2
c. Population 3
d. The frequency of the allele for brown spots is the same in all the three populations.
e. It is not possible to answer this question from the given data.
Answer:
e. It is not possible to answer this question from the given data.
Explanation:
According to the given information, the allele for the brown spots in beetles is recessive. Two copies of a recessive allele are present in a homozygous recessive genotype. A heterozygous dominant genotype carries one copy of the recessive allele. Therefore, to calculate the frequency of recessive allele, information about the number of organisms with homozygous recessive and heterozygous dominant genotypes is required.
No information is given about the number of heterozygotes in the population. The red-spotted beetles might be homozygous or heterozygous for the trait. Therefore, the frequency of the allele for the brown spot cannot be calculated from the given data.
According to the Hardy-Weinberg principle, the frequency of the recessive allele for brown spots is the square root of the proportion of homozygous recessive individuals. Calculations show that the recessive allele frequency for brown spots in all three populations is 0.3162, indicating equal frequency across the populations.
To determine in which ladybug beetle population the frequency of the allele for brown spots is the highest, we need to use principles of population genetics. The frequency of the recessive allele for brown spots (r) in each respective population can be found using the Hardy-Weinberg principle. This principle states that in a population in genetic equilibrium, the frequency of alleles p and q must add up to 1 (p + q = 1), where p is the frequency of the dominant allele, and q is the frequency of the recessive allele.
In Population 1, with two brown (rr) beetles out of 20, we calculate the frequency of the brown allele (q) to be [tex]\sqrt{2/20} = \sqrt{0.1}[/tex] = 0.3162.
In Population 2, with 15 brown beetles out of 150, the frequency of brown allele (q) is [tex]\sqrt{15/150} = \sqrt{0.1}[/tex] = 0.3162.
In Population 3, with five brown beetles out of 50, the frequency of brown allele (q) is [tex]\sqrt{5/50} = \sqrt{0.1}[/tex] = 0.3162.
Since the calculated frequency is the same for all populations, it indicates the frequency of the allele for brown spots is equal across all three populations.
Which of the following statements describes a eukaryotic chromosome? A) a single strand of DNA B) a series of nucleosomes wrapped around two DNA molecules C) a chromosome with different numbers of genes in different cell types of an organism D) a single linear molecule of double-stranded DNA plus proteins
Answer:
The correct statement is D) a single linear molecule of double-stranded DNA plus proteins.
Explanation:
A chromosome is understood as the organized genetic material. In the case of eukaryotic organisms, the chromosome is born primarily from the interaction between DNA, histones (proteins) and non-histonic proteins. Eukaryotic chromosomes are very long molecules of double helix DNA (The DNA of each chromosome is a long chain of double-stranded DNA) in interaction with proteins (histones and non-histones) that can be found from relaxed or poorly compacted states.
Eukaryotic chromosome is a single linear molecule of double-stranded DNA plus proteins.
What is a Chromosome?These are thread-like structures located inside the nucleus of cells which contain genetic material.
Eukaryotes means they have a membrane bound nucleus with single linear molecule of double-stranded DNA plus proteins.
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Though plants, fungi, and prokaryotes all have cell walls, we place them in different taxa. Which of these observations comes closest to explaining the basis for placing these organisms in different taxa, well before relevant data from molecular systematics became available?
A. Some closely resemble animals, which lack cell walls.
B. Some have cell walls only for support.
C. Some have cell walls only for protection from herbivores.
D. Their cell walls are composed of very different biochemicals.
E. Some have cell walls only to control osmotic balance
Different taxa are classified not just because they have cell walls, but because the biochemical composition of these cell walls is distinct across plants, fungi, and prokaryotes, leading to the correct answer D.
Explanation:The basis for placing plants, fungi, and prokaryotes in different taxa, even before the advances of molecular systematics, can be attributed to the composition of their cell walls. Plants generally have cell walls made of cellulose, fungi have walls made of chitin, and prokaryotic cells, such as those of bacteria and archaea, have walls composed of peptidoglycan or other unique materials. The vast biochemical differences in cell wall composition serve as a distinguishing factor for the classification of these organisms into different taxa.
Based on this understanding, the answer to the student's question would be D. Their cell walls are composed of very different biochemicals. This conclusion aligns with the fact that while the function of cell walls in providing protection and structural support is common, the biochemical makeup of these structures is fundamentally different across the kingdoms of life, suggesting divergent evolutionary pathways and functional adaptations.
If cells from a carrot are removed and placed in a culture medium, they can develop into a normal adult plant. This demonstrates that carrot cells _____.
a. retain all the genes that were in the zygote that developed into the original plant
b. are undifferentiated as adult cells differentiate
c. differ genetically at maturity
d. differ as mature cells
Answer:
retain all the genes that were in the zygote that developed into the original plant
Explanation:
What did the structure of DNA’s double helix suggest about DNA’s properties? Select all that apply.
DNA stores genetic information in the sequence of its bases.
DNA can be replicated by making complementary copies of each strand.
DNA is found in the nucleus.
DNA can change.
Errors in copying can result in changes in
Completed part of the questionErrors in copying can result in changes in the DNA sequence that could be inherited by future generation.
Answer:
DNA stores genetic information in the sequence of its bases
DNA can be replicated by making complementary copies of each strand
Errors in copying can result in changes in the DNA sequence that could be inherited by future generation.
Explanation:
the fact that DNA is located in the Nucleus is not related to double strands.
the DNA csn change is not relevant ,
therefore the above 3 options are the correct answers.
The structure of DNA's double helix suggests that DNA stores genetic information in its base sequence, it can be replicated by creating complementary copies of each strand and it can change through replication errors causing mutations. The location of DNA in the nucleus isn't suggested by the structure.
Explanation:
The structure of DNA's double helix implies several key properties of DNA. Firstly, the sequential arrangement of the four types of bases - adenine, guanine, cytosine, and thymine, suggest that DNA stores its genetic information within this sequence. The complementarity of these bases on each strand of the helix indicates that DNA can be replicated by creating complementary copies of each strand, highlighting its ability to transfer this genetic information to offspring. Finally, potential errors during this replication process suggest that DNA can indeed change in terms of its sequence, leading to genetic variations or mutations. Please note, DNA is located in the nucleus of cells, but this is not a characteristic suggested by the double-helix structure itself.
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Lucia has always been what some researchers call a cooperator; that is, someone who gives freely of her time, her money, and so forth, usually irrespective of the behavior of others. Cooperators, though small in number in society, are very important because most people are___________.
Answer:
The correct answer is - reciprocators.
Explanation:
Most people are normally reciprocators who only cooperates only when they see others doing cooperating. People generally cooperates only if other people do the same or help in in favor of the same thing.
Lucia behavior is the opposite of the reciprocators as Lucia cooperates with others irrespective behavior of the people.
Thus, the correct answer is - reciprocators.
Cooperators, like Lucia, who give freely, are vital in a society primarily composed of reciprocators who engage in cooperation when they expect mutual exchange, thus contributing to the social fabric that enables daily interactions and societal advancement.
Lucia exemplifies the actions of a cooperator, a type of individual that plays a crucial role in the fabric of society by contributing their time, resources, and efforts generously, often without the expectation of direct reciprocation from others. Cooperators such as Lucia are indeed vital because they complement reciprocators, who are more likely to give when they anticipate a mutual exchange. Reciprocity and cooperation are the bedrock of human societies, underpinning complex systems of daily interaction that facilitate our access to essentials like food, shelter, and transportation, as well as societal benefits like shared knowledge and technological advancement.
Research into human behavior demonstrates that individuals may vary in their proclivity to cooperate or to be more self-serving. While cooperative behavior can benefit all involved and enhance collective outcomes, as seen in the integrative cooperation within sports teams, it is nevertheless influenced by various factors such as cultural norms, social interdependence, and reciprocal expectations. Cultures that require a high degree of collaboration for survival often exhibit higher levels of cooperative behaviors, signaling the deeply ingrained nature of cooperation in human evolution.
In what part of the coastal environment must organisms develop strategies to deal with exposure to the atmosphere two times a day?
Answer:
Middle intertidal zones
Explanation:
Middle intertidal zones are zones within the intertidal regions of coastal environment which are submerged by water for large period of time but exposed to the atmosphere twice per day, during the periods of low tides.
Biodiversity within the middle intertidal zones are primarily adapted for underwater conditions, but must find ways to cope with exposure to atmosphere during the low tide periods. The zone serves as habitats for a relatively large variety of plants and animals.
Other zones within the intertidal regions include:
High intertidal zonesSpray zonesLow intertidal zonesWhich category of blood lipids is involved in the formation of atherosclerotic plaques?
Answer:
LDL cholesterol and apolipoprotein B (apoB 100).
Explanation:
In LDL cholesterol structure the main protein present is apolipoprotein B (apoB 100) associated with the occurrence of cardiovascular atherosclerotic plaque. The retention and accumulation of apolipoprotein B (apoB 100) in the artery wall causes the inflammatory process initiation and results in atherosclerotic plaque and endothelial injury and dysfunction.
Carbohydrates, lipids, and proteins all contain carbon, hydrogen, and oxygen. Which one also contains nitrogen?
A) carbohydrates.
B) lipids.
C) proteins.
D) none of the above.
Carbohydrates, lipids, and proteins all contain carbon, hydrogen, and oxygen. proteins is one also contains nitrogen. The correct option is C.
Proteins are the macromolecules that contain carbon, hydrogen, oxygen, **and nitrogen**. Additionally, proteins often contain sulfur and may have other elements such as phosphorus. This composition gives proteins their complex structure and functionality.
1. **Carbohydrates:** Carbohydrates, including sugars and starches, consist of carbon, hydrogen, and oxygen in a general ratio of 1:2:1. They are essential energy sources for living organisms.
2. **Lipids:** Lipids, including fats, oils, and phospholipids, primarily consist of carbon, hydrogen, and oxygen. While lipids do not normally contain nitrogen, they can sometimes have nitrogen-containing functional groups, such as in certain phospholipids.
3. **Proteins:** Proteins are composed of amino acids, which are organic molecules containing amino (-NH2) and carboxyl (-COOH) groups. The presence of nitrogen in the amino group differentiates proteins from carbohydrates and lipids. This nitrogen is essential for the structure and function of proteins.
4. **Nucleic Acids:** Although not mentioned in the options, nucleic acids (DNA and RNA) are another class of biomolecules. They contain carbon, hydrogen, oxygen, **nitrogen,** and phosphorus. Nucleic acids store genetic information and play a vital role in protein synthesis.
In summary, among the given options, **proteins** are the biomolecules that contain carbon, hydrogen, oxygen, **and nitrogen.**
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During meiosis, homologous chromatids exchange genetic material by a process called crossing over. This process increases genetic variation in the gametes that are produced. Which of the following explanations of other meiotic processes and fertilization would also increase variation within a population?
Answer:
Independent assortment of chromosomes and hence alleles at Prophase 1 and Anaphase 1 of meiosis ;ensured that chromosomes of alleles undergo variation at meiosis with random distribution of genes.
The random mating and fusion ensured that random fertilization of gametes take place for the new offspring to inherited varied genetic material from both parents. Therefore they inherited traits which made them different from both parents.
FULL QUESTION
During meiosis, homologous chromatids exchange genetic material by a process called crossing over. This process increases genetic variation in the gametes that are produced.
The figure shows the type of meiotic processes and fertilization for animals. Gametes fuse together in the process called fertilization and form a diploid zygote, which develops into diploid multicellular organism through a series of mitotic divisions. Then meiosis occurs in organism's cells and produces haploid gametes and the cycle repeats. The figure shows the type of meiotic processes and fertilization for plants and some algae. Haploid gametes fuse and form a diploid zygote, which develops into diploid multicellular organism or sporophyte through a process called fertilization. The cells of sporophyte undergo meiosis and form haploid spores. Spores grow into haploid multicellular organism called gametophyte, which produce haploid gametes through mitosis and the cycle repeats.
Which of the following explanations of other meiotic processes and fertilization would also increase variation within a population
A protein in the plasma membrane that binds to specific chemicals in the cell's external environment to regulate processes within the cell is a ________ protein.
A person eats a hamburger at a restaurant and develops a very bad stomach ache after finishing eating. As a result of the sudden illness, the person cannot eat hamburgers anymore. Just thinking about them makes the person feel sick to the stomach. In this, a hamburger is a______
Answer:
Conditioned stimulus
Explanation:
The complete question is as follows :
A person eats a hamburger at a restaurant and develops a very bad stomach ache after finishing eating. As a result of the sudden illness, the person cannot eat hamburgers anymore. Just thinking about them makes the person feel sick to the stomach. In this, a hamburger is a______
a. an unconditioned stimulus
b. an unconditioned response
c. a conditioned stimulus
d. a conditioned response
e. a negative reinforcer
A type of learning that occurs as a result of an association between an environmental stimulus and a naturally occurring stimulus is known as classical conditioning. In classical conditioning there are different types of stimulus - one of them is an unconditional stimulus and the other is a conditional stimulus. an unconditional stimulus is the one that occurs naturally and generates a response whereas a conditional stimulus is a neutral stimulus that gets associated with an unconditional stimulus and then generates a response. In the given situation, seeing and eating the hamburger was a neutral stimulus for the person however once he develops a bad stomach, he associates this with an unconditioned stimulus and thus, whenever he sees it he feels sick to the stomach and hence, the hamburger here is a conditional stimulus.Final answer:
In this, a hamburger is a taste aversion conditioning . A person who develops a stomach ache after eating a hamburger and can no longer stomach the thought of eating one has experienced taste aversion conditioning. This is a common response to associating the taste of a particular food with the experience of illness.
Explanation:
When a person eats a hamburger at a restaurant and subsequently develops a severe stomach ache, leading to an aversion to hamburgers, this is an example of taste aversion conditioning. This psychological phenomenon occurs when the act of eating a hamburger, which involves holding an imaginary hamburger in a bun and bringing it toward the person's mouth for a bite, becomes associated with the unpleasant experience of illness. Just thinking about hamburgers can trigger the same sick feeling due to the strong association between the taste of food and an experience of sickness.
Foodborne Illness can also occur if harmful bacteria are present in food that is consumed, leading to symptoms such as stomach ache, vomiting, or cramping. To minimize the risk of foodborne illness, it's essential to follow hygiene and food safety practices, such as keeping hot foods hot and cold foods cold, washing hands before preparing or eating food, and cooking meats, poultry, fish, and eggs thoroughly.
What is caused by a tight agonist muscle decreasing the neural drive to its functional antagonist
Answer:
Altered Reciprocal Inhibition is cause by a tight agonist muscle decreasing the neural drive to its functional antagonist.
How are scientific findings communicated with the world?
Answer: Scientific Findings are communicated by putting it in a Scientific Journal, or Writing a Lab Report
Explanation:
Fill in the blanks:1. Enzymes are ____________ whose three-dimensional shape is dependent upon environmental variables, including temperature. 2. Enzymes function most efficiently at ____________ temperatures. 3. Temperature increases caused by fever result in ____________ efficient enzyme activity and enzymes are able to make ____________ product in a given period of time. 4. This occurs because increased ____________ energy of molecules enhances substrate and enzyme contact. 5. Severe increases in temperature ____________ the bonds that hold an enzyme's shape. 6. The enzyme subsequently ____________ , permanently ____________ function.
Answer:
proteins, optimal, more, strengthen, kinetic, weaken, denatures, losing, higher.
Explanation:
Answers are in order following with the text.
I know it's been a while since you asked, and I'm not sure if you even need the answers anymore, but I figured I would just help you out just in case.
Hope this helps.
1. Enzymes are proteins whose three-dimensional shape is dependent upon environmental variables, including temperature. 2. Enzymes function most efficiently at optimal temperatures. 3. Temperature increases caused by fever result in more efficient enzyme activity and enzymes can make strengthen the products in a given period. 4. This occurs because the increased kinetic energy of molecules enhances substrate and enzyme contact. 5. Severe increases in temperature weaken the bonds that hold an enzyme's shape. 6. The enzyme subsequently denatures and permanently losses function.
What are enzymes?
Enzymes are the biological catalyst that works as a protein. They increase the rate of reaction without participating in it. Enzymes are found in all cells. The rate of enzymes is affected by the rate of a change in pH and temperature.
Therefore, proteins, optimal, strengthen, kinetic, denatures and losses are the correct options for the given question.
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Vytorin is a relatively new drug used to treat hypercholesterolemia, and it actually contains two active, efficacious ingredients. Vytorin contains a statin drug that inhibits a crucial enzyme in cholesterol biosynthesis, but it also contains a compound that inhibits the intestinal absorption of cholesterol from the diet. Which of the following is an accurate assessment of whether this drug can or cannot be used to treat familial hypercholesterolemia (FH)?
Answer:
Hypercholestrolemia may be defined as the medical condition in which the individual has high level of cholesterol in their body. This is also known as high cholesterol.
The drug vyotrin used for the high cholesterol condition. This drug can be used for the treatment of the patient suffering from familial hypercholestrolemia. This drug is unable to target the missing receptors of the familial hypercholestrolemia.
Which of the following would be categorized as a cultural ecosystem service of forests?
Answer:
Recreation ans scenic areas for tourism.
Explanation:
As the ecosystem provides a certain amount of services as habitat, healthy soil and clean air, freshwater nutrient cycle s and human goods like culture, recreation, and health. All these are benefits that humans freely gain from the natural ecosystem either be agro, forest aquatic or grasslands, etc.Your question is lacking the necessary answer options, so I will be adding them here:
A. Recreation and scenic areas for tourism.
B. Timber and landscape materials.
C. Mushroom and plant harvests.
D. Soil stabilization and air purification.
So, given your question, the option which would be categorized as a cultural ecosystem service of forests is: A. Recreation and scenic areas for tourism.
An ecosystem service refer to the positive benefits (gains) that naturally functioning ecosystems or wildlife give to humankind. Also, these positive benefits (gains) may be small or large, direct or indirect, etc.
The four (4) main types of ecosystem service are:
Regulating services. Provisioning services. Supporting services. Cultural services.Cultural services refers to non-material benefits (gains) which are likely not to be essential for survival but they significantly contribute to the people's quality of life. Thus, cultural ecosystem service enhances the development and cultural advancement of humankind such as:
I. Spreading of ideas.
II. Establishment of parks.
III. Recreational facilities.
IV. Building of knowledge, etc.
In this context, recreation and scenic areas for tourism would be categorized as a cultural ecosystem service of forests because they would beautify and enhance quality of life.
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Carbohydrates must be consumed every 3 to 4 hours to prevent depletion of the glucose in our blood.
A. True
B. False
Answer: option B) False
Explanation:
The body relies on SEVERAL sources for its energy or glucose supply.
Firstly, understand that Glucose could be supplied from the following:
Glycogenolysis (Glycogen break down induced by Glucagon)
Amino acids metabolism (once amine group is removed)
Fatty acid oxidation.
All of the pathways mentioned can directly or indirectly yeild GLUCOSE, thus making it UNNECESSARY for Carbohydrate meals to be consumed every 3 to 4 hours.
Therefore, the answer is False
Protein X is a protein that is composed of four subunits of equal size--alpha, beta, delta, and gamma--that are bound by either noncovalent interactions or disulfide bridges. Only the beta and delta subunits are bound to each other by disulfide bridges. How many bands would you expect to see in an SDS PAGE experiment in which beta-mercaptoethanol, a reducing agent, is used?
a. 1b. 4c. Noned. 2e. 3
Answer:
The correct answer is e3
Explanation:
The given protein in the question proteib X contain four subunits of equal size alpha,beta,delta and gamma which are bound by either noncovalent interactions or disulfide bridges and only beta and delta subunits are bound to each other by disulfide bridges.
As a result when the protein will undergo fragmentation it will generate 3 bands because the interaction that is present between alpha and beta subunit will break resulting in the formation of 2 bands. Now the most important fact is that the beta subunit is linked to delta subunit by di sulfide bond so when betamarcaptoethanol will act on protein X it will break the disulsulfide bond present between the beta and delta subunit to reduce both the subunit.
Finally the interaction that is present between delta subunit and gamma subunit will be broken down to release the delta subunit which will form a single band during SDS PAGE..