Answer: D) Atmospheric carbon dioxide, a greenhouse gas, would cause rising ocean temperatures, which will cause an increase in evaporation. The added water vapor would further increase global warming.
Explanation: usatestprep approved
List the 5 steps in the fetch/execute cycle, and describe each. explain how these steps correspond to eating at a restaurant.
What condition should be met for the stellar parallax method to be useful?
A.the star should be situated within the Milky Way
B.the star should be brighter than the Sun
C.the star should be close enough to the Sun to show a measurable parallax
D.the star should be visible with the naked eye
Answer: c
Explanation:
Answer:
The answer is: C. the star must be close enough to the Sun to show measurable parallax.
Explanation:
In the field of astronomy, parallax is called stellar parallax in distant stars.
The stars for which parallax measurements have been made are those that are relatively close to the sun on the galactic scale.
The answer is: C. the star must be close enough to the Sun to show measurable parallax.
A national caterer determined that 87% of the people who sampled their food said that it was delicious. a random sample of 144 people is obtained from a population of 5000. the 144 people are asked to sample the caterer's food. if modifyingabove p with caretp is the sample proportion saying that the food is delicious, what is the mean of the sampling distribution of modifyingabove p with caretp?
The survey has only 2 answers- yes or no- and these answers are non-numeric, and therefore catigorical. Categorical data cannot be represented by a distribution curve so no, the data cannot have a normal distribution. If on the other hand the people were asked to rate the food on a numeric scale ( say, 1 to 10 or 1 to 100) you could plot the responses and get a distribution curve, which could be normal.
The purpose of an experiment is to compare results with a ____ A hypothesis B theory C answer D variable
The purpose of an experiment is to compare results with a hypothesis. Hypothesis is defined that the theory or ideal is not proven yet.
The liver and pancreas are connected to the:
i believe the answer is the gallbladder because, the gallbladder sits under the liver, along with parts of the pancreas and intestines. The liver and these organs work together to digest, absorb, and process food.
Answer:
intestines
Explanation:
Why is Tokyo considered the world leader in stopping water leakage?
Answer for plato users:
Tokyo has developed the largest flood defense in the world. It consists of five enormous underground storm-water tanks. These tanks can store water from a heavy downpour. This type of effort makes Tokyo the world leader in stopping water leakage.
Answer:
Tokyo has developed the largest flood defense in the world. It consists of five enormous underground storm-water tanks. These tanks can store water from a heavy downpour. This type of effort makes Tokyo the world leader in stopping water leakage.
Explanation:
A molecule that blocks the activity of carbonic anhydrase would immediately. . .
a. decrease the amount of carbon dioxide dissolved in the plasma
b. cause an increase in blood pH.
c. Interfere with oxygen binding to hemoglobin
d. increase the amount of bicarbonate formed in the blood.
e. all of the above
Answer:
b. cause an increase in blood pH.
Explanation:
Carbonic anhydrase is an enzyme responsible for accelerating the conversion of carbon dioxide to carbonic acid, and is responsible for controlling blood pH. When this enzyme is inhibited by some molecule. In addition, inhibition of this enzyme reduces the amount of bicarbonate formed in the blood, since there will be no conversion of carbonic acid occurring at speed.
A molecule that blocks the activity of carbonic anhydrase will immediately reduce the amount of carbon dioxide dissolved in the plasma, cause an increase in blood pH, interfere with oxygen binding to hemoglobin, and increase the amount of bicarbonate formed in the blood will increase. Therefore, the correct option is E.
A compound that inhibits carbonic anhydrase will have a variety of consequences. An enzyme called carbonic anhydrase helps convert carbon dioxide and water into carbonic acid, which then splits into bicarbonate ions and hydrogen ions. As a result, inhibiting carbonic anhydrase will lower carbon dioxide levels, raise blood pH, probably inhibit the binding of oxygen to hemoglobin, and increase the amount of bicarbonate generated in the blood.
Therefore, the correct option is E.
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One should inhale when muscles are relaxed and exhale when initiating the lifting or push-off action in resistance training.
Answer:
It is true that one should inhale when muscles are relaxed and exhale when initiating the lifting or push-off action in resistance training.
Explanation:
The reason why we have to inhale when the muscle is relaxed is that we need to oxygenate our body to perform the effort. Muscles burn energy and they need to be provided with it so they can perform the effort, as well as our whole body needs oxygen, proteins, and glucose to work support the effort. As well as to send enough oxygen to be distributed in the glucose they need to perform the duty. Also, we prepare our thoracic cave to endure the effort, gather the oxygen and burn it to perform the task.
PlZ HeLp 20 Points Which of the following is an example of reducing?
A
using the same bag every time you go shopping
B
taking a shorter shower
C
turning old aluminum cans into new ones
D
throwing your trash in the garbage
Answer:
B. taking a shorter shower
Explanation:
Using the same bag would be reusing
Taking a shorter shower reduces the amount of water you use.
Turning old cans into new ones is recycling.
Throwing your trash in the garbage is wasteful.
Final answer:
The correct answer is C) turning old aluminum cans into new ones, as it exemplifies reducing by recycling materials and thereby conserving resources.
Explanation:
Understanding Reducing, Reusing, and Recycling
In the context of environmental conservation, the term reduce refers to the strategy of minimizing the amount of waste produced by consuming fewer products or choosing products with a lower environmental impact. The act of turning old aluminum cans into new ones recycles materials, thereby reducing the need to extract and process new raw materials. This is beneficial for the environment as it saves energy and reduces greenhouse gas emissions. On the other hand, using the same bag every time you go shopping is an example of reusing, which extends the life of products. Taking shorter showers helps conserve water and energy but is not directly related to waste reduction, and throwing trash in the garbage is merely waste disposal without reducing or recycling.
Answer: C) turning old aluminum cans into new ones is an example of reducing because it involves processing used materials to create new products, thereby reducing the need to use new resources.
what is a consequence to the organism if helper-t cells are destroyed by a pathogen, such as HIV?
the immune system wouldn't be able to signal B cells to produce antibiotics and the T cells wouldn't be able to kill infected cells that are targeted.
Why do enzymes only work on their specific substrates
Enzymes only work on their specific substrates because enzyme catalysis involves enzyme and substrate binding to form an enzyme substrate complex.
In other words, the of substrate substances an enzyme can bind to leading to the specificity of enzyme activity aids in causing the correct reaction in the particular structure.
Enzymes only work on their specific substrates because there is a specific match between the enzyme and its substrates. This match is known as induced fit and it allows the enzyme to bond with the substrate at its active site. Enzymes are known for their specificity, but some enzymes can act on several similar substrates.
Explanation:Enzymes only work on their specific substrates because there is a specific match between an enzyme and its substrates. The enzyme's active site, which is the location on the enzyme where the substrate binds, has a shape that allows it to bond to a specific substrate. This specific match is known as induced fit, where the enzyme structure slightly changes to find the best fit between the substrate and product. Overall, enzymes are known for their specificity, but there is some flexibility as some enzymes can act on several different structurally related substrates.
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Which of the following is NOT involved in glycogen synthesis?GlycogeninAmylo-(1,4 to 1,6)-transglycosylaseGlycogen phosphorylaseUDP-glucoseGlycogen synthase
The correct answer is: Glycogen phosphorylase UDP-glucose
Steps of glycogen synthesis (glycogenesis) are:
• Glucose conversion into glucose 6-phosphate by the glucokinase enzyme
• Glucose-6-phosphate conversion into glucose-1-phosphate by the phosphoglucomutase enzyme
• Glucose-1-phosphate conversion into UDP-glucose by the enzyme UDP-glucose pyrophosphorylase
• Creation of initial short glycogen chains by glycogenin
• UDP-glucose is added to the growing glycogen chain to the 4-hydroxyl group of the glucosyl residue by the glycogen synthase enzyme
• Branches are made by glycogen branching enzyme (amylo-α(1:4)→α(1:6)transglycosylase).
Glycogen phosphorylase is not involved in glycogen synthesis; it is involved in breaking down glycogen. Instead, enzymes like glycogen synthase, glycogenin, and amylo-(1,4 to 1,6)-transglycosylase play key roles in the synthesis of glycogen.
Explanation:The molecule that is NOT involved in glycogen synthesis is glycogen phosphorylase. This enzyme is actually involved in glycogen breakdown, not its synthesis. Glycogen synthesis involves several key enzymes and steps that include the phosphorylation of glucose to form glucose-6-phosphate (G6P), isomerization to create glucose-1-phosphate (G1P), and the subsequent formation of UDP-glucose. Glycogen synthase then catalyzes the addition of UDP-glucose to the growing glycogen chain. Glycogenin serves as a primer for glycogen synthase and amylo-(1,4 to 1,6)-transglycosylase, also known as the glycogen branching enzyme, is responsible for introducing branches into the glycogen molecule.
The major means of propulsion through the alimentary canal is peristalsis.
True
False
Answer:
True
Explanation:
Peristalsis is the wave-like motion of the walls of the alimentary canal that allow food to move along the lumen of the alimentary canal towards the posterior (anus). These waves are powered by the contraction and relaxation of the smooth muscles.
Which of the following options best depicts the flow of information when a gene directs the synthesis of a cellular component?A) RNA → DNA → RNA → protein B) DNA → RNA → protein C) protein → RNA → DNA D) DNA → amino acid → RNA → protein E) DNA → tRNA → mRNA → protein
the answer is E) DNA-tRNA-mRNA-protein
According to the Central Dogma of Molecular Biology, the proper order for the information flow in gene expression is DNA → RNA → protein. Therefore, option B) is accurate.
The flow of information when a gene directs the synthesis of a cellular component follows the sequence described by the Central Dogma of molecular biology, which delineates the process of gene expression. This flow of genetic information in cells is correctly represented by DNA → RNA → protein. In the first step, known as transcription, the information stored in a gene's DNA is transferred to a messenger RNA (mRNA) molecule. Then, during translation, the mRNA works with ribosomes and tRNA to synthesize a protein, which is a sequence of amino acids determined by the mRNA. Hence, the correct option is B) DNA → RNA → protein.
Notice the population of beetles. The allele for color is seen on their backs: green and brown alleles. Over time, through random chance, the gene pool of the beetle population changes. Eventually the gene pool contains only green alleles. This is an example of A) gene flow. B) adaptation. C) genetic drift. D) natural selection.\
The situation where a beetle population's gene pool changes to contain only green alleles through random events is an example of genetic drift, a process where allele frequencies can shift due to chance, leading to gene fixation in some cases. C) genetic drift. is the correct option.
The scenario described in the student's question, where over time, through random chance, the gene pool of the beetle population changes eventually containing only green alleles is an example of genetic drift. Genetic drift can lead to the elimination of alleles from a population purely by chance, as described in Figure 19.2B.1, where a natural event, like a wildfire, may selectively destroy certain individuals regardless of their genetic traits. This can result in significant changes in the allele frequencies in a population, especially in small populations, where chance events can have larger impacts. Similarly, gene fixation can happen when certain alleles become more prevalent solely due to random sampling of organisms that reproduce, as depicted in Figure 19.1 A. 1. This is different from natural selection, which involves traits conferring a survival or reproductive advantage, thereby increasing the frequency of those advantageous alleles over time.
The specific heat of a substance is the energy required to produce a certain change in _____________. A. state B. temperature C. appearance D. volume
Answer:
Its actually TEMPERATURE
Explanation:
STUDY ISLAND
The specific heat of a substance is the energy required to produce a certain change in temperature. The correct option is B. temperature.
The specific heat capacity, often simply called specific heat, is the amount of heat per unit mass required to raise the temperature of a substance by one degree Celsius. The relationship between heat energy (Q), specific heat (c), mass (m), and the change in temperature (
riangle T) is commonly expressed in the formula Q = mc
riangle T. This property is intrinsic to the material and differs among substances. For instance, water has a high specific heat capacity, meaning it requires more energy to raise its temperature than substances with a lower specific heat capacity. This concept is crucial in areas like calorimetry, where the aim is to measure the heat of chemical reactions or physical changes, as well as in practical applications such as climate science and engineering.
Human cells have 23 pairs of chromosomes. How many combinations of chromosomes can result in an effort to maintain genetic diversity?
There are 8,324,608 possible combinations of 23 chromosome pairs. As a result, two gametes virtually never have exactly the same combination of chromosomes. Each chromosome contains dozens to thousands of different genes.
When grass is randomly distributed throughout an environment, a population of deer that eats grass is most likely to have a _____ pattern. A) grouped B) uniform C) clumped D) random
Answer:
Random distribution.
Explanation:
The distribution of the population in space across an area is largely driven by the food and other resources in the environment. Uniform, random and clumped are the main distribution pattern.
The grass is distributed randomly in the environment, the population of deer is most likely to have random distribution pattern. Since, the distribution pattern depends upon the food resources so the deer have random distribution in space.
Thus, the correct answer is option (D).
Which term is used to describe a group of arctic foxes that live in part of Alaska's Arctic National Wildlife Refuge?
Population is the term that is used to describe a group of arctic foxes that live in part of Alaska's Arctic National Wildlife Refuge. The correct option among all the options given in the question is the third or the second last option. The area covered by Arctic National Refuge is approximately 19.6 million acres. It has a variety of wild animals living in it.
The term used to describe a group of arctic foxes that live in part of Alaska's Arctic National Wildlife Refuge is C. population.
Population refers to all inhabitants of a particular area - since all of these arctic foxes live in the same place, they are a population.
Explain in your own words the order in which the creature's traits may h ave evolved, starting from the first likely trait. (Hint: Which trait is most common across the creatures?)
Traits in creatures evolve starting with the most common features. These shared ancestral characters are present in all organisms within a group due to descent with modification. New variations give rise to shared derived characters, which help form new branches on the phylogenetic tree.
Explanation:When considering the evolution of creature traits, we start with the most basic and common features spread across a group of organisms. The process generally begins with a change in the genetic makeup, leading to a new and persistent trait.
A shared ancestral character is a trait found in the ancestor of a group and present in all organisms within that group. For example, the presence of a backbone in vertebrates is such a character. Descent with modification means that over time, new variations emerge, some of which are adaptive and become new traits. This leads to the formation of a new branch in the phylogenetic tree, indicating a shared derived character that's not present in all ancestral lines but only in the descendants from a certain point onward.
The presence of traits like hair in lizards, frogs, and rabbits based on a phylogenetic tree, must clarify that only descendants of the last common ancestor that had the trait will possess it. For example, not all vertebrates have hair because it evolved later and is only seen in mammals, which are not directly ancestral to lizards or frogs.
The first likely trait to evolve is the most common trait found across all creatures, followed by the emergence of less common traits.
To determine the order of trait evolution, start by identifying the trait that is most universally present among the creatures, as it indicates a fundamental and early adaptation. This trait likely provided a significant survival advantage, allowing it to become widespread.
Subsequent traits likely evolved as creatures adapted to more specific environmental niches or challenges. For example, if a common trait is a basic structural feature like bilateral symmetry, it likely evolved first, providing a foundation for more complex traits such as specialized limbs or sensory organs.
By comparing the distribution of traits across different creatures, we can infer the sequential evolution of these adaptations, with the most pervasive and fundamental traits appearing earliest in the evolutionary timeline.
How did scientists discover that rocks farther away from the mid- ocean ridge were older than those near it?
Scientist discovered that rocks farther away from the mid-ocean ridge were older than those near it by determining the age of rock samples obtained by drilling on the sea floor.
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Which statement is an example of a scientific theory?
Answer:
B
Explanation:
B is referring to cell theory, which basically states that all living things are made of cells and all cells come from other cells withe the exception of the first life forms.
Protein synthesis can be compared to building a doghouse. Sondra wanted to build a doghouse and found a book in the reference section in the local library. She copied the pages of directions using wood and nails to make the doghouse. Taking the directions to her workbench, Sondra used a hammer to put nails into their correct positions in the wood to make the doghouse. In the story, what genetic structure would be analogous to the copies from the reference book?
The correct answer is mRNA.
mRNA or messenger RNA is synthesized during the process of transcription, from DNA molecule which is used as a template. mRNA contains information about protein synthesis (translation) in the form of nucleotide triplets or codons.
In the example above: reference book is DNA molecule (template for copies), copies are mRNA, wood is amino acids (building blocks) and doghouse is protein.
You are a plant cell. You must make your own food through photosynthesis. What organelle is necessary for this process
The organelle necessary for the process of photosynthesis is chloroplasts.
Which light-sensitive vitamin is abundant in milk? riboflavin alpha-tocopherol vitamin c thiamin?
I would say the thiamin is more light sensitive.
Vitamin D, which is present in fortified milk and produced by exposure to sunlight, is the light-sensitive vitamin mentioned in the question.
Explanation:Among the options provided, the light-sensitive vitamin that is abundant in milk is vitamin D. This vitamin is often added to products such as milk through a process called fortification. Besides milk, certain types of fatty fish also have high quantities of Vitamin D. It can also be produced by our body when our skin is exposed to sunlight. People, especially those of darker complexion or those living in higher latitudes with less sunlight, often don't produce enough Vitamin D and may need supplements.
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Hloroplasts are energy organelles found in _____. animal cells plant and animal cells all living cells plant cells
I am going to assume you meant "chloroplasts" instead of "Hloroplasts"
Your answer will be plant cells
Chloroplasts makes the energy for the plant by conducting photosynthesis, therefore, they are only found in plant cells.
Fungi have an extremely high surface-area-to-volume ratio. What is the advantage of this to an organism that gets most of its nutrition through absorption?
A) The larger surface area allows for more material to be transported through the cell membrane. B) The lower volume prevents the cells from drying out too quickly, which can interfere with absorption.C) This high ratio creates more room inside the cells for additional organelles involved in absorption.D) This high ratio means that fungi have a thick, fleshy structure that allows the fungi to store more of the food it absorbs.
The correct answer is: A) The larger surface area allows for more material to be transported through the cell membrane.
Fungi are usually in the form of complex network of filaments -mycelium. Mycelium consists of hyphae that are long, thin and branched which gives them high surface area to volume ratio. This property makes fungi well-adapted for absorption of nutrients from soil and other substrates.
A larger surface area allows for more material to be transported through the cell membrane, providing fungi with efficient nutrient absorption necessary for their survival.
Fungi have a high surface-area-to-volume ratio, particularly in the structure of their mycelia and hyphae. This ratio is advantageous because it increases the efficiency of absorption. Since fungi are heterotrophic and rely on absorbing nutrients through their mycelia, having a larger surface area compared to their volume means there is more 'space' exposed to the environment, facilitating a greater and faster intake of nutrients. Furthermore, fungi release enzymes, like cellulase, into the environment that digest large organic molecules into smaller, absorbable forms. This digestion occurs externally, and the products are then absorbed by the fungi. Therefore, the larger surface area allows for more material to be transported through the cell membrane, making option A the correct answer.
7. the skeleton that protects the body's vital organs immune system
The immune system works to keep germs out of the body and destroy any that get in. The immune system is made up of a complex network of cells and organs thatprotect the body from infection. Lymph nodes are part of the immune system. They release lymphocytes, a certain type of white blood cell that fights infection.
What type of rock forms layers that can be seen in heavily weathered regions such as the Grand Canyon?
A. Igneous
B. Basaltic
C. Metamorphic
D. Sedimentary
D. Sedimentary
Explanation;The Grand Canyon was formed by the processes of weathering and erosion. The Colorado River and its tributaries formed the canyon as the Colorado Plateau was being geologically uplifted. The formation of the Grand Canyon was accomplished by the constant erosion of the rock by the Colorado River over some 17 million years.The three main types of sedimentary rocks at Grand Canyon are sandstone, shale, and limestone.Answer:
sedimentary
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Which statement accurately describes reproduction in animals?
All animals can reproduce asexually, and some can reproduce sexually.
All animals can reproduce sexually, and some can reproduce asexually.
Animals only reproduce sexually.
Animals only reproduce asexually.
B) All animals can reproduce sexually, and some can reproduce asexually
Answer: All animals can reproduce sexually, and some can reproduce asexually.
Explanation:
Animals can range from simple to complex eukaryotic organisms. These belongs to the kingdom Animalia. Depending upon the complexity of their body they can reproduce asexually or sexually. Majority of the animals exhibit complex body types hence they are capable of forming the gametes. The fusion of these gametes produces offsprings this mode of reproduction is called as sexual reproduction. For example, dogs and cats. But some animals may exhibit simple body types or they are incapable of finding mates such organisms undergo asexual reproduction such as hydra, some lizards and sharks.