2. Question 2
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Which molecules are the reactants or substrates for aerobic respiration?
Select one:
a. glucose and carbon dioxide
b. lactate and oxygen
c. carbon dioxide and water
d. oxygen and glucose
e. glucose and water
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Question 3
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Which of the following is NOT a correct statement about the second law of
thermodynamics and entropy?
Select one:
a. The amount of disorder in the universe is always increasing.
b. To maintain organization of a cell, a continual input of energy is required.
c. Living cells without energy would become less organized.
d. While the total amount of energy in a system is unchanged, energy lost as heat is no
longer useful to the cell in doing work.
e. Carbon dioxide and water form glucose without the input of energy.
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Question 4
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Which of the following is a byproduct of photosynthesis?
4. Select one:
a. carbon dioxide
b. water
c. oxygen
d. glucose
e. energy
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Question 5
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Which part of photosynthesis does not occur inside the thylakoid membrane?
Select one:
a. noncyclic electron pathway
b. cyclic electron pathway
c. electron transport chain
5. d. light reactions
e. Calvin cycle reactions
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Question 6
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How many membranes does a chloroplast have?
Select one:
a. one
b. two
c. three
d. four
e. five
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Question 7
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Which statement is not true about C3 and C4 plants?
Select one:
a. C4
plants are more successful in hot climates than C3 plants.
b. C3
plants fix carbon dioxide in the mesophyll cells.
c. In C3
plants, O2 competes with CO2 for the active site of RuBP carboxylase.
d. C4
plants deliver CO2 to the Calvin cycle using bundle sheath cells sheltered from leaf air
spaces.
e. CO2 is fixed at night to decrease water loss.
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Question 8
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The difference between 126C and 146C is
Select one:
a. the number of electrons.
b. the number of protons.
c. the number of neutrons.
d. the number of carbon atoms.
e. the number of ionic bonds.
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Question 9
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8. We set up an experiment where the same species of plant is grown in boxes covered with
plastic that only allows a single color of light. In which box would we expect the least
plant growth and even perhaps the death of the plant to occur?
Select one:
a. white
b. blue
c. red
d. green
e. indigo
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Question 10
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Visible light has more energy than radio waves.
