Multiple Choice
Which of the following statements about the mechanism of nucleophilic substitution reactions in organic chemistry is false?
3. Acids and Bases
Organic Chemistry Reactions
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What is common to both Photosystem I and Photosystem II in terms of their role in organic chemistry reactions?
A
Both directly produce glucose.
B
Both are involved in the Calvin cycle.
C
Both participate in the light-dependent reactions of photosynthesis.
D
Both are located in the mitochondrial membrane.
Verified step by step guidance1
Begin by understanding the role of photosystems in photosynthesis. Photosystem I and Photosystem II are integral components of the light-dependent reactions, which occur in the thylakoid membranes of chloroplasts.
Recognize that both photosystems are involved in capturing light energy. Photosystem II absorbs light and uses the energy to split water molecules, releasing oxygen and electrons. These electrons are then transferred to Photosystem I.
Photosystem I absorbs light energy to further energize the electrons received from Photosystem II. These high-energy electrons are used to reduce NADP+ to NADPH, a crucial molecule for the Calvin cycle.
Understand that neither Photosystem I nor Photosystem II directly produces glucose. Instead, they generate ATP and NADPH, which are used in the Calvin cycle to synthesize glucose from carbon dioxide.
Clarify that both photosystems are located in the chloroplasts, not the mitochondrial membrane. Their primary function is to facilitate the light-dependent reactions, which are the initial phase of photosynthesis.
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