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Multiple Choice
Which of the following organic chemistry reactions would have the least effect on photosynthesis?
A
Photosynthetic electron transport chain
B
Hydrogenation of alkenes
C
Calvin cycle reactions
D
Oxidation of glucose
Verified step by step guidance
1
Understand the context of photosynthesis: Photosynthesis involves the conversion of light energy into chemical energy, primarily through the photosynthetic electron transport chain and the Calvin cycle.
Identify the processes involved in photosynthesis: The photosynthetic electron transport chain is responsible for generating ATP and NADPH, while the Calvin cycle uses these molecules to fix carbon dioxide into glucose.
Analyze the given reactions: Hydrogenation of alkenes is a chemical reaction that adds hydrogen to alkenes, typically in the presence of a catalyst, and is not directly related to photosynthesis.
Consider the impact of each reaction on photosynthesis: The photosynthetic electron transport chain and Calvin cycle are integral to photosynthesis, while the oxidation of glucose is a metabolic process that occurs after photosynthesis to release energy.
Conclude which reaction is least related to photosynthesis: Since hydrogenation of alkenes is an industrial chemical reaction unrelated to the biological processes of photosynthesis, it would have the least effect on photosynthesis.