I. Which of the following redox couples has the highest (most positive) redox po

Question

I. Which of the following redox couples has the highest (most positive) redox potential? a. P700 / P700 b. plastoquinone plastoquinol c. NADP /NADPH d. plastocyanin-Cu²/plastocyanin-Cu* e. OsH 0 12. The release of protons (H') into the thylakoid lumen occurs at which of the following steps in the light reactions of photosynthesis? a. oxidation of plastoquinol b. reduction of ferredoxin c. phosphorylation of ADP d. oxidation of plastocyanin e. reduction of NADP+ 13. Which of the following molecules is present in the light harvesting antennae but NOT in the reaction center of PSII? a. chlorophyll a b. chlorophyll b c. B-carotene d. P680 e. pheophytin

Explanation / Answer

11) Which of the following redox couples has the highest redox potential?

The correct answer is the option (A) P700+/P700

12) The release of protons into the thylakoid lumen occurs at which of the following steps in the light reaction of photosynthesis?

The correct answer is the option (A) oxidation of plastoquinol

13) Which of the following molecule is present in the light-harvesting antennae but NOT in the reaction center of PSII?

The correct answer is the option (A)Chlorophyll-a

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