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Cellular Energy — Test Answers

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21
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Which component of Earth’s atmosphere is decreased due to photosynthesis?

A
hydrogen peroxide
B
carbon dioxide
C
ozone
D
oxygen
22
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Mira analyzed oxygen and carbon dioxide in inhaled and exhaled air. She found that the percentages of both gases were different in each. What other gas would most likely also have different amounts in inhaled and exhaled air?

A
water vapor cap h sub 2 cap o
B
hydrogen open paren cap h sub 2 close paren
C
sulfur dioxide open paren SO sub 2 close paren
D
ozone open paren cap o sub 3 close paren
23

Which conclusion is supported by the graph?

A
The 160-pound person burns about twice as many calories jogging as she does walking.
B
The 200-pound person burns more calories per hour doing aerobics than doing any other exercise shown.
C
The 200-pound person would need to play volleyball for three hours to burn the same number of calories as he burns in one hour of basketball.
D
The 160-pound person burns about 50 calories per mile while jogging.
24

Which option would allow Stella to set up a control group for the experiment?

A
She should give all the flowers the same amount of water.
B
She should place one flower in a similar container, but not pump carbon dioxide into it.
C
She should give the plants receiving the least cap c cap o sub 2 a little more oxygen to compensate for the difference in gases.
D
She should provide mist to each of the plants except one plant to keep the air moist and fertilize the plants.
25

Which label in the graphic represents the energy that is released from glucose by cellular respiration?

A
Energy stored as ATP
B
Glucose
C
Carbon dioxide and water
D
Oxygen

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