1. ATP is a good source of energy for the cell because a) it is versatile-able to be used in many types of reactions b) its breakdown is easily coupled with energy–requiring reactions c) it provides just the right amount of energy for cellular reactions d) all of these are correct 2. Which of the following is an example of potential energy? a) gasoline in the tank of an automobile b) the engine of an auto running c) a skier moving downhill d) pushing a desk across a room 3. The conditions for alcoholic or lactic acid fermentation: a) are the same as those for cellular respiration b) result in the production of more ATP than cellular respiration c) include the requirement of both carbon dioxide and oxygen d) produce less ATP than cellular respiration 4. Which of the following statements is TRUE? a) according to chemisomotic theory, concentration gradients drive the formation of ATP b) an electron loses energy each time it is transferred down the ETC c) there is a buildup of H+ between the outer and inner membranes of the mitochondria d) all of these e) none of these are true 5. A poison that binds to one of the components of the electron transport chain electrons results in a) disrupted electron flow b) improper NADH production c) loss of proton gradient d) both a and c are true 6. Fermentation a) produces more ATP than is generated by the hydrogen transfer series b) breaks down glucose in reaction with oxygen c) may occur in a muscle under anaerobic conditions d) is restricted to yeast 7. Which of the following statements about metabolic pathways is INCORRECT? a) may be biosynthetic or degradative b) may be endergonic or exergonic c) has an orderly sequence of reaction steps d) is mediated by only one enzyme in the first reaction 8. The energy given up by electrons as they move through the electron transport chain is used in which of the following processes? a) pumping H+ across a membrane b) the production of CO2 c) the oxidation of water d) the production of NADH and FADH2 e) the breakdown of glucose 9. What is the role of NADP+ in photosynthesis? a) It forms NADPH to be used in the Calvin cycle b) It forms part of photosystem II c) It helps produce ATP from the light reactions d) It absorbs light energy e) It is the primary electron acceptor 10. What is the range of wavelengths of light that are absorbed by the pigments in the thylakoid membranes? a) green, which is why plants are green b) the entire spectrum of white light c) blue-violet and red-orange d) the range absorbed by carotenoids e) the infrared 11. What is the role of NADP+ in photosynthesis? a) It acts as the primary electron acceptor for the photosystems b) As a component of photosystem II, it catalyzes the hydrolysis of water c) It is reduced and then carries electrons to the Calvin cycle d) It assists chlorophyll in capturing light e) As part of the electron transport chain, it manufactures ATP
1. ATP is a good source of energy for the cell because
a) it is versatile-able to be used in many types of reactions
b) its breakdown is easily coupled with energy–requiring reactions
c) it provides just the right amount of energy for cellular reactions
d) all of these are correct
2. Which of the following is an example of potential energy?
a) gasoline in the tank of an automobile
b) the engine of an auto running
c) a skier moving downhill
d) pushing a desk across a room
3. The conditions for alcoholic or lactic acid fermentation:
a) are the same as those for
b) result in the production of more ATP than cellular respiration
c) include the requirement of both carbon dioxide and oxygen
d) produce less ATP than cellular respiration
4. Which of the following statements is TRUE?
a) according to chemisomotic theory, concentration gradients drive the formation of ATP
b) an electron loses energy each time it is transferred down the ETC
c) there is a buildup of H+ between the outer and inner membranes of the mitochondria
d) all of these
e) none of these are true
5. A poison that binds to one of the components of the electron transport chain electrons results in
a) disrupted electron flow
b) improper NADH production
c) loss of proton gradient
d) both a and c are true
6. Fermentation
a) produces more ATP than is generated by the hydrogen transfer series
b) breaks down glucose in reaction with oxygen
c) may occur in a muscle under anaerobic conditions
d) is restricted to yeast
7. Which of the following statements about
a) may be biosynthetic or degradative
b) may be endergonic or exergonic
c) has an orderly sequence of reaction steps
d) is mediated by only one enzyme in the first reaction
8. The energy given up by electrons as they move through the electron transport chain is used in which of the following processes?
a) pumping H+ across a membrane
b) the production of CO2
c) the oxidation of water
d) the production of NADH and FADH2
e) the breakdown of glucose
9. What is the role of NADP+ in photosynthesis?
a) It forms NADPH to be used in the Calvin cycle
b) It forms part of photosystem II
c) It helps produce ATP from the light reactions
d) It absorbs light energy
e) It is the primary electron acceptor
10. What is the range of wavelengths of light that are absorbed by the pigments in the thylakoid membranes?
a) green, which is why plants are green
b) the entire spectrum of white light
c) blue-violet and red-orange
d) the range absorbed by carotenoids
e) the infrared
11. What is the role of NADP+ in photosynthesis?
a) It acts as the primary electron acceptor for the photosystems
b) As a component of photosystem II, it catalyzes the hydrolysis of water
c) It is reduced and then carries electrons to the Calvin cycle
d) It assists chlorophyll in capturing light
e) As part of the electron transport chain, it manufactures ATP
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