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Cell Theory Answers

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Which statement explains how ATP and its phosphate groups are related to the energy that is used in plant processes?

A
ADP loses a phosphate group to create ATP, which stores energy for making sugars.
B
ADP gains a phosphate group to create ATP, which stores energy for making sugars.
C
ADP loses a phosphate group to create ATP; this process instantly releases energy for making sugars.
D
ADP gains a phosphate group to create ATP; this process results from sugar production.
22
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After Frida stops exercising, she continues to breathe heavily. What is most likely occurring in her body?

A
Heavy breathing during exercise has produced an oxygen surplus in her muscles. This oxygen is being transported to her lungs. This is a result of aerobic respiration.
B
Heavy breathing during exercise has produced a carbon dioxide surplus in her muscles. Lactate is being transported to her liver. This is a result of aerobic respiration.
C
Strenuous exercise has caused her body to be in carbon dioxide debt, and she is breathing hard while lactate is transported to the liver. This is a result of anaerobic respiration.
D
Strenuous exercise has caused her body to be in oxygen debt, and she is breathing hard while lactate is transported to the liver. This is a result of anaerobic respiration.
23

If the number of photosynthetic organisms on Earth decreased drastically, which would happen as a result?

A
Less water would be available on Earth’s surface.
B
Less solar energy would reach Earth’s atmosphere.
C
More oxygen gas would be found in Earth’s atmosphere.
D
More carbon dioxide gas would be found in Earth’s atmosphere.
24

A scientist is comparing the outer layer of an onion cell to the outer layer of a human skin cell. What is unique about the outer layer of the onion cell compared to the skin cell?

A
It contains proteins.
B
It contains cellulose.
C
It contains carbohydrates.
D
It is selectively permeable.
25

What role does cellular respiration play in the carbon cycle?

A
It removes CO2 from the atmosphere during glycolysis.
B
It removes CO2 from the atmosphere during the citric acid cycle.
C
It releases CO2 to the atmosphere during acetyl CoA formation.
D
It releases CO2 to the atmosphere during electron transport.

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