Light Activation of P680 Results in Which of the Following $\to$

question 6

Multiple Choice

Light activation of P680 results in which of the following?
(I) electron transfer as follows: Q_A $\to$ Q_B $\to$ Chlα $\to$ Pheoα
(II) electron transfer from PSI directly back to the Pheoα-Q_A complex
(III) reduction of S₄ of the OEC to S₁ of the OEC
(IV) reduction of cytochrome b₆f

• A)I,III,IV
• B)I,II
• C)II,III
• D)I only
• E)IV only

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