Question

which scenario below would most likely cause an increase in adp production?
a plant cell is exposed to high levels of sunlight.
an animal cell is exposed to high levels of oxygen.
a plant cell needs water to catalyze high energy reactions.
an animal cell moves large molecules through the membrane.

Explanation:

To determine which scenario increases ADP production, we analyze each option:

• Option 1 (Plant + sunlight): Sunlight drives photosynthesis, producing ATP (not increasing ADP directly).
• Option 2 (Animal + oxygen): Oxygen supports aerobic respiration, which produces ATP (ADP is converted to ATP here, so ADP might decrease or stay stable).
• Option 3 (Plant + water for reactions): Water is a reactant, but this doesn’t directly increase ADP.
• Option 4 (Animal moving large molecules): Moving large molecules (e.g., via active transport) requires energy (ATP hydrolysis). When ATP is used, it becomes ADP, so this process increases ADP production.

Answer:

D. An animal cell moves large molecules through the membrane.