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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All hematopoietic and immune blood cells are derived from which cells in the bone marrow?
Answer:
Osteocyte
Explanation:
All hematopoietic and immune blood cells are derived from stem cells cells in the bone marrow.
What are hematopoietic stem cells?An immature cell that has the potential to develop into any type of blood cell, including white blood cells, red blood cells, and platelets.
Peripheral blood and bone marrow contain hematopoietic stem cells.
Thus, all the immune cells and hematopoietic cells arises from stem cell present in bone marrow.
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Which of the following is NOT one of the key brain structures involved in encoding and storing memories?
a. hypothalamusb. hippocampusc. prefrontal cortexd. cerebellum
Answer:
Hypothalamus
Explanation:
The prefrontal cortex, hippocampus and the cerebellum are involved in memory formation.
The prefrontal cortex is involved in making decisions,forming goals and planning , it's also based on past memories.
The hippocampus is involved in forming long term memories and also in spatial navigation
The hypothalamus is the part of the brain responsible for the body's ability of homeostasis.it is also involved with endocrine control and works closely with the pitutary gland.
The hypothalamus is not one of the key brain structures involved in encoding and storing memories. The hippocampus, prefrontal cortex, and cerebellum all play crucial roles in memory formation, encoding spatial, semantic, and implicit memories respectively. Additionally, the substantia nigra, not the hypothalamus, is not a structure of the forebrain.
Explanation:The key brain structures involved in encoding and storing memories include the hippocampus, the prefrontal cortex, and the cerebellum. The hippocampus is crucial for explicit memories, involving the encoding of information about spatial relationships, context, and associations among memories. The prefrontal cortex is involved in remembering semantic tasks. The cerebellum processes implicit memories, which are not consciously recalled, such as motor skills and classical conditioning responses.
For instance, the cerebellum is integral for learning an eye-blink response to a puff of air, a type of classical conditioning. In contrast, the hypothalamus is not primarily known for memory storage and encoding but is involved in various other functions such as the regulation of hunger, thirst, sleep, and emotional responses.
Regarding the structures of the forebrain, the thalamus, hippocampus, and amygdala are all part of the forebrain. However, the substantia nigra is part of the midbrain, not the forebrain, and is therefore not the correct answer to both the structure involved in memory and the forebrain.
What single feature is primarily responsible for the variation of climate in different parts of the world?
A. Intensity of wind
B. Angle of incoming sunlight
C. Lent of daylight
D. Amount of precipitation
The angle of incoming sunlight is primarily responsible for climate variation across the world, with the tilt of Earth's axis causing different regions to experience varying levels of solar intensity, thus affecting temperature which in turn influences climate.
Explanation:The single feature that is primarily responsible for the variation of climate in different parts of the world is the angle of incoming sunlight. This is because the earth is tilted on its axis at 23.5 degrees, and as it orbits around the sun, the tilt causes variations in the angle at which sunlight hits different parts of the planet. Areas that receive more direct sunlight experience warmer climates, whereas areas with an increased angle of incoming solar radiation, particularly near the poles, result in more reflected sunlight and cooler climates. The angle of sunlight affects the intensity of solar energy received at the surface, which plays a crucial role in determining temperature, a major factor in climate variability.
In contrast to length of daylight, which does influence climate by affecting temperature, the angle at which sunlight strikes the Earth has a more profound effect on climatic conditions. For instance, even though the Arctic region experiences 24 hours of daylight in the summer, the heat is less intense because the incoming sunlight is at a very low angle. Additionally, factors such as precipitation levels, influenced by temperature, and other elements like nearness to oceans and mountain ranges, contribute to the climate but are secondary to the fundamental impact of sunlight's angle.
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In some experiments, several identical groups are set up, keeping conditions similar among them. In the _____ group, a change is deliberately introduced. In the _____ group, this change is not introduced. In this way, the researcher can determine if the change has an effect.
Answer:
In some experiments, several identical groups are set up, keeping conditions similar among them. In the experimental group, a change is deliberately introduced. In the control group, this change is not introduced. In this way, the researcher can determine if the change has an effect.
Explanation:
In every experiment that has to do with having a replicate, there must be a control group which is used to checkmate the effect of what is being tested, hence; nothing is introduced in the control group unlike the experimental group
How do genes play a part in how your immune system functions?
Answer:
Studies have shown that the immune response in the body is regulated at the level of genes especially the adaptive immune response.
The body has evolved their immune system to eradicate or reject some specific pathogens and cancerous cells by expressing the antigen-specific genes which raise the immune response which could be at both humoral or cellular level.
The example of allelic exclusion is the example of how gene expression controls the formation of antigen-specific antibodies due to the expression of different segment of a particular gene or mutated gene.
Thus, the immune response is controlled by genes.
Without CV circulation, body tissues are deprived of nutrients and _____________________.
Answer: Respiratory gases(Oxygen)
Explanation:
The essential role of cadio vascular system is to supply blood; containig metabolites (glucose,amino acid, fatty acid and glycerol) and gases expecially Oxygen,needed for combustion of these nutrients(metabolites) in mitochondrial of cells (cellular Respiration) to generate ATPs for biochemical activities of the body.
Which is an inference? Question 6 options:
a. You measure a plant’s height every day for a week.
b. You give a plant the same amount of water every day.
c. Every day for a week, you collect data on a plant’s movement.
d. After watching a plant for a week, you determine it needs more sunlight.
Answer:
d. After watching a plant for a week, you determine it needs more sunlight.
Explanation:
An inference is a thought or idea gotten from evidence and reasoning. It helps us to gain knowledge
What is something that can go wrong during interphase? A. The cell could divide unevenly resulting in a very small cell and a very large cell. B. The chromatids could separate and all move to the same side of the cell. C. A base pair could be mismatched during the duplication process causing a mutation.
Answer:
Answer is C. A base pair could be mismatched during the duplication process causing a mutation.
Explanation:
An interphase is known to be the resting phase between the first and second division of meiosis, where change was more apparent.
During this phase, the cell copies its DNA in preparation for mitosis. This means that, the cells take up the nutrients, grow, read DNA and produce proteins. Thees processes are considered as the normal cellular functions.
One possible problem that can occur during interphase is a mismatch of base pairs during DNA replication, leading to mutations.
During interphase of the cell cycle, several things can potentially go wrong. Among these, C. A base pair could be mismatched during the duplication process causing a mutation is a correct statement. During the S phase of interphase, DNA replication takes place, and there is a risk of base pair mismatches. While there are mechanisms in place to correct such errors, a mismatch that is not repaired can cause a mutation that might have significant consequences for the cell and organism. This emphasizes the biological importance of the error-checking and repair processes during DNA replication.
Explain why or why not ethics belong in science.
Answer:
Ethics can be described as a set of moral rules which are necessary to distinguish between the right and wrong. Ethics is very necessary for science as the field of science especially scientific research would become deadly if ethics are not followed. If ethics are not followed, scientists will begin killing of organisms and humans to support science projects. Human cloning will become a non- serious matter in ethics are not followed. Hence, commitment to ethics is very important in science.
According to Agfa's operating manual, what is the acceptable range of exposure indicators?A. 1.6 - 2.2B. 1.9 - 2.5C. 2.2 - 2.8D. 2.5 - 3.1
Answer:
B. 1.9 - 2.5
Explanation:
According to Agfa's operating manual logarithm numbers are used to show the acceptable range of exposure indicators.
A student in a biology class crossed a male Drosophila melanogaster having a gray body and long wings with a female D. melanogaster having a black body and apterous wings. The following distribution of traits was observed in the offspring Number of Offspring 42 Phenotype Gray body, long wings Black body, apterous wings 41 Gray body, apterous wings 9 Black body Iong wings Which of the following is supported by the data? (A) The alleles for gray body and long wings are dominant. (B) The alleles for gray body and long wings are recessive. (C) Genes for the two traits are located on two different chromosomes, and independent assortment occurred D) Genes for the two traits are located close together on the same chromosome, and crossing over occurred between the two gene loci.
Answer:
Answer is D "Genes for the two traits are located close together on the same chromosome, and crossing over occurred between the two gene loci"
Explanation:
Traits are distinguishing characteristics of an organism. The Phenotypic crossing of the Drosophila melanogaster specie with Gray body and long wings over that of the same specie but female with black body and apterous wings produced a total of 100 offspring, which showed a that genetic crossing were done on the closely related chromosomes of the body traits for the individual species.
pseudohypertrophic muscular dystrophy is a human disorder that causes gradual deterioration of the muscles. Only boys are affected, and they are always born to phenotypically normal normal parents. Due to the severity of the disease, the boys die in their teens. Is this disorder likely to be caused by a dominant or recessive allele
Answer: recessive allele
Explanation:
The fact that it affects boys only it shows that its inheritance follows X-linked recessive pattern.
The sex chromosome for male is XY and for female XX
.Therefore. the disorder is on the X=chromosomes of the father. Y chromosomes are smaller than X and weak, therefore they can not bear the allele of the disorder.
However.if a female inherited the allele of the disorder from the father. she can pass this trait to her son during fertilisation,
When is the best time for an athlete to attempt to optimize weight and change body composition?
Answer:
Offseason period.
Explanation:
Offseason time or period for an athlete is the time when an athlete does not have or engage in any competitive events. it is the period of rest,at the same time, the period when the athlete is preparing for the upcoming season.
This time usually falls at the end of the year. At this time, the athlete will work on his weight to make it good and effective as possible, so that he will be in his best form when the season starts.
A food that supplies two grams each of fat, carbohydrate, and protein delivers_____total calories.
Answer:
34 calories
Explanation:
One gram of carbohydrates provides total= 4 calories.
2 grams of carbohydrates would provide= 4 x 2 = 8 calories.
One gram of protein provides total= 4 calories.
2 grams of protein would provide= 4 x 2 = 8 calories.
One gram of fat provides total= 9 calories.
2 grams of carbohydrates would provide= 9 x 2 = 18 calories.
Total calories from food that gives two grams each of fat, carbohydrate, and protein= 8 + 8 + 18 = 34 calories.
How many hours of activity should portion sizes for meals be enough to sustain for?a. 1
b. 2
c. 3
d. 4
Answer:
D) 4
Explanation:
A balanced meal should provide enough energy to sustain about 3 to 4 hours of moderate activity. This depends on factors like individual's size, age, gender, and level of physical activity.
Explanation:The number of hours that meal portion sizes should be enough to sustain activity for can vary greatly depending on factors such as the individual's size, age, gender, and level of physical activity. However, a general rule of thumb is that a balanced meal should provide enough energy to sustain about 3 to 4 hours of moderate activity. This is because the body takes about that amount of time to metabolize the foods and absorb the nutrients from a meal.
For example, if you have breakfast at 7 am, it should keep you energized until about 10 or 11 am. Then, a lunch at noon should sustain you until 3 or 4 pm, and so on. This pattern allows for 3 meals a day with a couple of healthy snacks in between if needed.
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Which would be a consequence of the removal of predators from a population such as the Trinidadian guppy population?a .The nitrogen excretion rate would increase.b. Guppy color patterns would change; guppies would produce fewer but larger offspring; the nitrogen excretion rate would increase and the rate of growth of primary producers such as algae would increase.c. Primary producers such as algae would overgrow.d. Guppies would produce fewer but larger offspring.e. Guppy color patterns would change.
Answer:
The correct answer is option b. "Guppy color patterns would change; guppies would produce fewer but larger offspring; the nitrogen excretion rate would increase and the rate of growth of primary producers such as algae would increase".
Explanation:
The Trinidadian guppy is a species of fish with the scientific name Poecilia reticulata. Just like almost all species, its population is regulated for multiple factors, one of them being the presence of predators. The removal of Trinidadian guppy predators would result in multiple consequences:
- Guppy color patterns would change. The fish have a complex coloration determined largely by predation avoidance.
- Guppies would produce fewer but larger offspring. This adaptation has been proved in an experiment at which the fish was introduced one a low predation environment. The report proved that evolution can take place in less than 10 years.
- The nitrogen excretion rate would increase. It has been reported that predation reduce Trinidadian guppy nitrogen excretion by 40%. Removing the predators will case the nitrogen excretion rate to increase due to an increase in the fish food intake.
- The rate of growth of primary producers such as algae would increase. This is an effect of the increase of nitrogen excretion rate, which benefits algae population to growth.
Part 2: Codominance - Predicting stripe color in lizard tails A certain species of lizard can have red stripes, yellow stripes, or red and oranges stripes. An RR lizard has red stripes, an YY lizard has orange stripes, and an RY lizard has red and orange stripes. A lizard with red stripes(RR) mates with a lizard with orange stripes(YY). 3. Create a Punnett square to show their offspring, the F1 generation. Punnett Square Parent R R Y RR Ry Y YY ry 4. What pattern do you notice in the genotypes of the F1 generation lizards? 5. What are the phenotypes of the F1 generation lizards?
Answer:
In F1 generation all lizards are heterozygous RY, and will have red and orange stripes in their tails
Explanation:
If the cross is between RR and YY lizards, in a Punnett square we'll have RR vs YY
Let's say YY is female and RR male
Y Y
R RY RY
R RY RY
All lizards will be RY, coding for red and orange colours in their tails (phenotype) in F1 generation
In a hypothetical population of tree swallows, 18 individuals are homozygous for the c4 allele, 22 individuals are heterozygous for the allele, and 10 individuals lack the allele. What is the frequency of the c4 allele?
Final answer:
The frequency of the c4 allele in the tree swallow population is calculated by dividing the number of c4 alleles (58) by the total number of alleles (100), resulting in a frequency of 0.58 or 58%.
Explanation:
To calculate the frequency of the c4 allele in the tree swallow population, we can use the Hardy-Weinberg principle. First, let's find the total number of alleles, which is twice the number of individuals, since each individual has two alleles for a given gene. The population consists of 18 homozygous individuals (36 alleles), plus 22 heterozygous individuals (22 alleles of c4), and 10 individuals lack the allele (thus contributing 0 alleles of c4). So, there are 36 + 22 + 0 = 58 c4 alleles in total.
Next, we calculate the total number of individuals in the population, which is 18 + 22 + 10 = 50. The total number of alleles is thus 2 * 50 = 100 alleles. Now, we calculate the frequency of the c4 allele by dividing the number of c4 alleles by the total number of alleles: 58 c4 alleles / 100 total alleles = 0.58 = 58%.
Hence, the frequency of the c4 allele in the population is 0.58 or 58%.
Which accessory eye structure is NOT correctly matched with its function?a) eyelid: protect the eyeb) conjunctiva: protect eye from drying outc) tarsal glands: produce tearsd) lacrimal glands: destroy bacteria
Answer:
C. tarsal glands: produce tears
Explanation:
The tarsal plate refers to a thick fold of connective tissue that serves as a support to the eyelids. A row of tarsal glands is embedded in each tarsal plate. Tarsal glands are elongated modified sebaceous glands. Also known as meibomian glands, they secrete a fluid that helps keep the eyelids from adhering to each other. These glands do not produce tears. Tears are produced by lacrimal glands present in the lacrimal apparatus.
Choose the three best explanations for why Mrs. H's alveoli might collapse if she does not do her deep breathing with the Incentive spirometer. A) The alveoli are lined with water, and attraction between the water molecules pulls them together. This surface tension will pull the alveoli closed if she does not open them with deep breathing. B) When she is lying down, it is harder for her to expand her chest cavity anyway. She needs to put extra effort into it. C) The anesthesia was toxic to her lung cells, and she needs to clear it out of her alveoli as fast as she can. D)B Surgery stimulated her sympathetic system, which has constricted her bronchioles and could lead to an asthma attack. E) Shallow breathing that does not fill her lungs will only move air into the alveoli in the upper part of her lungs, letting those in the lower part stay closed. F) With her gall bladder removed, she cannot produce the soapy substance that lines alveoli and makes them easier to inflate.
Answer:
E) Shallow breathing that does not fill her lungs will only move air into the alveoli in the upper part of her lungs, letting those in the lower part stay closed.
A) The alveoli are lined with water, and attraction between the water molecules pulls them together. This surface tension will pull the alveoli closed if she does not open them with deep breathing.
B) When she is lying down, it is harder for her to expand her chest cavity anyway. She needs to put extra effort into it.
The alveoli might collapse if Mrs. H does not use her incentive spirometer because the water lining of the alveoli can create surface tension that pulls them closed, shallow breathing keeps lower alveoli collapsed, and without deep breaths, the surfactant cannot reduce surface tension effectively.
Explanation:Among the provided explanations for why Mrs. H's alveoli might collapse without the use of an incentive spirometer for deep breathing, the three best explanations are:
A) The alveoli are lined with water, and the attraction between water molecules creates a surface tension that can pull the alveoli closed. Deep breathing can help overcome this force and fully open them.E) Shallow breathing does not fill the entire lungs with air, typically only reaching the alveoli in the upper parts, which can result in the lower part's alveoli remaining collapsed.The presence of a surfactant within the alveoli, which is a surface-tension reducing substance produced by the lungs, is crucial. Without adequate breaths, the surfactant cannot effectively reduce surface tension, possibly leading to alveoli collapse.These factors highlight the importance of deep breathing exercises to maintain lung function and prevent alveolar collapse. The surfactant plays a role in managing the surface tension which is crucial for preventing alveoli from collapsing during exhalation.
The buildup of soil on bare rock by the decomposition of early colonizers is characteristic of ________ succession.
Answer:
primary succession
Explanation:
In ecology, succession is a phenomenon used to describe the process by which the structure of an ecosystem changes from time to time. New features, species and components are being introduced into an ecosystem.
There are 2 major types of succession: primary and secondary. While secondary succession involves a series of changes that occur in a biological community that is not new or that has been once colonized by several features and forms of life, primary succession involves the changes that occur from a bare land that has no life form.
Primary succession occurs on barren lands and bare rocks. The buildup of soil on bare rock by the decomposition of early colonizers is characteristic of primary succession .
Egg whites stiffen when they are whipped. The change that occurs in the protein is called ___________.a. denaturation. b. translocation. c. transcription. d. deamination.
Answer:
Denaturation
Explanation:
Proteins are huge molecules that need to get an accurate tridimensional structure to accomplish their function.
In water, these molecules keep their hydrophilic parts in the outside and the hydrophobic part in the inside.
There are some treatments like changes in temperature or pH that provoke changes in the tridimensional structure of the protein. This process is known as DENATURATION. The protein losses its original native structure and its properties.
When denaturation occurs the protein tends to join together with other denaturalized proteins through the areas that repeal water, becoming coagulated.
Answer:
Answer is A. Denaturation.
Explanation:
Denaturation occurs when there is a disruption in the highly ordered or molecular structures, i.e, the secondary and tertiary structures ,present in the native state of the protein.
Denaturation can be caused through the application of some external stress, heat, inorganic salts among others.
Manganese nodules are an example of: a.hydrogenous sediments. b. cosmogenous sediments. c.biogenous sediments. d.volcagenic sediments. e.terrigenous sediments.
Answer:
Option A, hydrogenous sediments
Explanation:
Hydrogenous sediments are made up of minerals suspended in water that precipitates out in due course of time thereby forming minerals. These sediments are found in a very small amount and generally constitute 0.5 to 1 % of the total ocean sediments. While cosmogenous sediments are made up of space materials falling on earth, biogenous sediments are made up of living organism remains, lithogenous sediments are made up of land. All manganese, ferromanganese and phosphite nodules are hydrogenous
Hence, option A is correct
Answer: A
Explanation: i used it myself from gradpoint.
The human genome sequence shows that genes A and B are at opposite ends of chromosome 9. If an individual who is heterozygous for both genes (AaBb) mates with an individual that is homozygous recessive for both genes (aabb), how many of their offspring would show a recombinant phenotype?
Answer:
8 offsprings (50%)
Explanation:
When genes are on the same chromosome but very far apart, they assort independently due to crossing over (homologous recombination).
When genes are far apart, crossing over happens often enough that all types of gametes are produced with 25% frequency.
When AaBb × aabb; the offsprings are as follows:
= AaBb, Aabb, aaBb, aabb
= AaBb, Aabb, aaBb, aabb
= AaBb, Aabb, aaBb, aabb
= AaBb, Aabb, aaBb, aabb
Recombinants phenotypes of linked genes are those combinations of genes not found in the parents.
From the cross above, it is obvious that only 8 offsprings are quite different from their parents.
To calculate the recombinant frequecy, we divide (no of recombinant/ total no of offsprings) × 100%
=(8/16) × 100%
= 1/2 × 100%
=0.5 × 100%
= 50%
Two barnacles, Balanus and Chthamalus, can both survive on the lower rocks just above the low-tide line on the Scottish coast, but only Balanus actually does so, with Chthamalus adopting a higher zone. Which of the following best accounts for this niche separation?
A) competitive exclusion
B) predation of Chthamalus by Balanus
C) cooperative displacement
D) primary succession
E) mutualism
Answer:
The correct answer is A) Competitive exclusion.
Explanation:
The principle of competitive exclusion says that:
Two different species that share the same niche can not live in the same place. If two species have the same requirements, they can not coexist. Two species can not coexist indefinitely on the bases of the same limited resource.When two competing species coexist, this is because of niche partitioning or niche differentiation. If there is not any differentiation between them, the dominant species displaces the weak species.
In the exposed example, Chthalamus can live in the upper intertidal zone, where Balanus can not live because they can not tolerate desiccation. Balanus live in the lower intertidal zone, where Chthalamus can not live because of its vulnerability to predation. But these two species compete for the middle intertidal zone, where they can both live.
Balanus excludes Chthalamus because the first species is much bigger and grows faster than the second one. So the middle intertidal zone is only inhabited by Balanus.
The area occupied by Chthalamus is smaller in the presence of Balanus. In the absence of Balanus, Chthalamus can live in a bigger area, occupying the middle intertidal zone.
35 out of 120 red-beaked wombats nest in trees, while 78 out of 99 purple-tongued wombats nest in trees. Do the two species show differences in their tree nesting behavior?
Answer:
Yes, both species have different instincts of nesting behaviors.
Explanation:
Nesting behavior is an instinct of species to a desire for a protected nest for their newborns. Typically, it is more common in pregnant animals due to the production of a hormone "Estradiol".
According to the conditions given in the question, nesting instinct in red-beaked wombats is ~29% whereas for purple-tongued wombats is ~79%. This difference suggest the stronger desire of red-beaked wombats to make a nest in the trees compared to the purple-tongued wombats (purple-tongued wombats may have desire for places other than trees). Here, we could argue that this high desire of nesting behavior in trees for red-beaked wombats was might be due to the high production of Estradiol. In any case, there was a clear difference in the nesting behavior for both species.
Both species, red-beaked wombats and purple-tongued wombats do nest in trees but at different rates. Therefore, there is indeed a difference in tree-nesting behavior between the two species.
Explanation:To determine if there are species differences in tree nesting behavior between the red-beaked wombats and the purple-tongued wombats, we need to compare the ratios of wombats in each species that nest in trees.
For red-beaked wombats, this ratio is 35 out of 120. To simplify this, we can divide both numbers by 5 to get 7 out of 24.
For purple-tongued wombats, the ratio is 78 out of 99. Since these numbers have no common divisor other than 1, we cannot simplify this ratio further.
Comparing these simplified ratios, we find that 7 out of 24 red-beaked wombats nest in trees, while 78 out of 99 purple-tongued wombats nest in trees. So yes, these two species do display different tree nesting behaviors, with purple-tongued wombats being more likely to nest in trees than red-beaked wombats.
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1. Static stretching
2. Dynamic stretching
3. Flexibility
4. Ballistic stretching
5. Joint
a. a place in the body where bones come together
b. the ability to use your joints fully through a wide range of motion
c. a series of quick but gentle bouncing by using momentum to force your joints beyond their range of motion
d. stretching slowly as far as you can until you feel a sense of tightness, then hold the stretch for at least 10 seconds
e. involves moving parts of your body and gradually increasing reach, speed of movement, or both
Answer:
The matching goes as follows: 1-d, 2-e, 3-b, 4-c,5-a
Explanation:
Joint is the place where two bones meet with each other. A human body has different types of joints like ball and socket joint, hinge joint, pivot joint etc. They help in different movements like walking, running, throwing, eating, etc in the body.The joints are flexible in nature as they provide a whole range of motion to the body.Stretching is an important part of exercising. Before the hard workouts are done, the muscles need to stretch and relax to get ready for the workout.Static stretching involves slow stretching of the muscles and remaining in the same position for a certain duration of time.Dynamic stretching involves moving parts of the body with increasing speed and distant reach. Ballistic stretching involves a momentum to force the joints beyond their range of motion with acts like bouncing ,etc.This question asks for the definitions of different types of stretchings, flexibility, and joint. Static stretching is stretching slowly as far as possible and holding the stretch, dynamic stretching involves moving parts of the body to increase reach and speed, flexibility refers to using joints fully for wide motion range, ballistic stretching involves quick and gentle bounce using momentum, and joint is where bones meet in the body.
Explanation:The subject of this question is to identify the correct definitions of different types of stretching, flexibility, and where the term joint fits in a physical health context. Here are the correct matchings:
Static stretching is defined as: d. stretching slowly as far as you can until you feel a sense of tightness, then hold the stretch for at least 10 seconds Dynamic stretching is: e. involves moving parts of your body and gradually increasing reach, speed of movement, or both Flexibility is described as: b. the ability to use your joints fully through a wide range of motion Ballistic stretching refers to: c. a series of quick but gentle bouncing by using momentum to force your joints beyond their range of motion Joint is: a. a place in the body where bones come together Learn more about Stretching and Flexibility here:
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10. Which of the following is an example of a prevention activity? A. Mobilizing search and rescue teams B. Requiring identification for site access C. Setting up a network of clinics to provide neighborhood-based healthcare access for residents affected by a hurricane D. Passing an ordinance on controlling development in a floodplain
Answer:
Option (B).
Explanation:
Fundamentals of Emergency Management (FEMA) may be defined as the organization that helps in the management of resources. This also helps to deal with the all humanitarian emergency.
Prevention activities to remove the particular danger are also listed in the FEMA. The identification for the site access previously might helps to reduce the health related and risk related problems of the individuals working at the site.
Thus, the correct answer is option (B).
Option d.
A prevention activity is exemplified by the passing of an ordinance to control development in a floodplain, which is enacted with the intention of avoiding potential property damage and loss of lives during a flood.
Explanation:Prevention activities are aimed at lessening or averting potential threats before they cause harm. From the given options, the act of passing an ordinance on controlling development in a floodplain signifies a prevention activity. This measure is enacted to prevent the construction of buildings that could potentially be damaged during a flood, consequently preventing the loss of property and lives. This action exemplifies an attempt to proactively minimize the impact of a future hazard, as opposed to a reactive response post disaster occurrence.
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The phylum Gymnospermae has four divisions. Fossil evidence helped to divide and classify the gymnosperms. The division Ginkgophyta has leaves instead of needles. According to this dichotomous key, what would the fossil evidence also MOST LIKELY show?
Answer:
Explanation:The fossil will produce seed
Unlike others which will produce flowers
The type of antimicrobial drug that would be least toxic to humans is a drug thatA) Inhibits protein synthesisB) Disrupts the cytoplasmic membraneC) Inhibits nucleic acid synthesisD)Inhibits cell wall synthesis
Answer:
The correct answer is D) Inhibits cell wall synthesis.
Explanation:
Antimicrobial drugs are drugs that act against microbes like bacteria, fungus, virus, protozoa, etc. These drugs must be specific and should not harm the host cells but must be effective against microbial cell.
Both microbes and humans contain proteins, cytoplasmic membrane, and nucleic acid therefore antimicrobial drugs that target these structures can harm the host cell.
As human lack cell wall, therefore, the antimicrobial drug which inhibit cell wall synthesis will not be able to harm humans and will selectively kill the cells that contain cell wall like bacteria. Therefore the right answer is D.