AP Biology: Cellular Energetics Practice Test
AP Biology: Cellular Energetics Practice Test
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Question 1 of 19
1. Question
Both the light reactions and the Calvin cycle of photosynthesis take place in what plant cell organelle?
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Question 2 of 19
2. Question
What statement summarizes what happens during stage II of photosynthesis (the Calvin Cycle)?
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Question 3 of 19
3. Question
What describes an important link between photosynthesis and cellular respiration?
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Question 4 of 19
4. Question
Which statement best describes the relationship between glucose and ATP?
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Question 5 of 19
5. Question
Which cellular respiration process creates the most ATP?
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Question 6 of 19
6. Question
Which of the following exercises would NOT be fueled with energy produced from the electron transport chain?
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Question 7 of 19
7. Question
Which of the following is the correct equation for PHOTOSYNTHESIS?
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Question 8 of 19
8. Question
What are the products of photosynthesis?
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Question 9 of 19
9. Question
What is the pigment in chloroplasts that performs photosynthesis?
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Question 10 of 19
10. Question
Where does cellular respiration occur?
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Question 11 of 19
11. Question
How is cellular respiration related to photosynthesis?
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Question 12 of 19
12. Question
Which of the following statements is false?
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Question 13 of 19
13. Question
Which molecule enters Kreb’s Cycle?
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Question 14 of 19
14. Question
Where does ETC occur?
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Question 15 of 19
15. Question
Several essential mechanisms in the cell, including protein synthesis, require the amino acid glutamine. The formation of glutamine from glutamate and ammonia is an energy- requiring process. This process is carried out by an enzyme called glutamine synthetase.
The action of glutamine synthetase is summarized in the diagram below.
Based on the information provided, which of the following statements is true?
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Question 16 of 19
16. Question
Pancreatic amylase is a digestive enzyme found in the small intestine. It helps break down large starch molecules later in the digestive process. Pancreatic amylase is unable to break down lipids.
Which of the following best explains why pancreatic amylase is able to break down starches, but not lipids?
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Question 17 of 19
17. Question
A group of biology students wants to study the effects of pH on enzyme activity. Theymeasure the activity of enzymes A and B at various pHs and record their data in the graph below.
A solution of enzyme A has a pH of 888. Based on the graph, which pH change would result in higher enzyme activity?
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Question 18 of 19
18. Question
The major source of energy in a cell is adenosine triphosphate, or ATP. ATP can be synthesized in mitochondria using a protein complex called ATP synthase. A group of scientists studied a collection of fruit flies that had fewer ATP synthase complexes than normal due to various gene mutations. Many of these mutant flies died early in development. Some of the mutant flies lived into adulthood, but had severe defects in their ability to move. The scientists collected data about the likelihood of surviving into adulthood and the average number of ATP synthase complexes for each mutant population. They then used this data to generate Figure 1.
Figure 1. A model of the relationship between ATP synthase levels and fruit fly survivorship. ATP synthase complex number is measured as a percentage of the level normally found in fruit flies. Survivorship is measured as the percentage of individuals in a population of flies that live to adulthood.
A newly discovered gene mutation causes fruit flies to have ATP synthase levels that are about one-third of normal. Based on the information presented in Figure 1, which of the following describes a likely outcome for a population made up of these flies?
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Question 19 of 19
19. Question
Which of the following best describes the process of induced fit?
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