Question

question 19 of 50
what is the most likely result of damage to the thlaykoid membranes in a plant?
a. an increase in photosynthesis
b. a decrease in exocytosis
c. a decrease in glucose production
d. an increase in atp production

Explanation:

Thylakoid membranes are crucial for the light - dependent reactions of photosynthesis. These reactions produce ATP and NADPH, which are used in the Calvin cycle (light - independent reactions) to produce glucose. If thylakoid membranes are damaged, the light - dependent reactions are impaired. This leads to a decrease in the production of ATP and NADPH. As a result, the Calvin cycle (which requires these molecules) cannot function properly, and glucose production decreases.

• Option A: Damage to thylakoid membranes would disrupt, not increase, photosynthesis.
• Option B: Exocytosis is a process related to the release of substances from cells (e.g., in animal cells for hormone release). It is not directly related to thylakoid membrane function in plants.
• Option D: Since thylakoid membranes are involved in ATP production (in the light - dependent reactions), damage would decrease, not increase, ATP production.

Answer:

C. A decrease in glucose production