Suppose You Discovered a Mutant Strain of Spinach in Which

question 144

Multiple Choice

Suppose you discovered a mutant strain of spinach in which the thylakoid membranes were slightly permeable to protons, thus allowing a slow leakage. (Remember that normal membranes are not permeable to protons at all.) How might this defect affect the yield of ATP and/or NADPH from the light reactions?

• A)NADPH yield would decrease.
• B)NADPH yield would increase.
• C)ATP yield would decrease.
• D)ATP yield would increase.
• E)There would be no change.