In What Order Do the Following Five Steps Occur in the Photochemical

question 73

Multiple Choice

In what order do the following five steps occur in the photochemical reaction centers? 1) excitation of the chlorophyll a molecule at the reaction center
2) replacement of the electron in the reaction center chlorophyll
3) light excitation of antenna chlorophyll molecule
4) passage of excited electron to electron-transfer chain
5) exiton transfer to neighboring chlorophyll

• A) 1, 2, 3, 4, 5
• B) 3, 2, 5, 4, 1
• C) 3, 5, 1, 4, 2
• D) 4, 2, 3, 5, 1
• E) 5, 4, 3, 2, 1

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