Multiple Choice
Which of the following statements is true about the Calvin cycle in organic chemistry reactions?
3. Acids and Bases
Organic Chemistry Reactions
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In which stage of photosynthesis does electron transport begin, and in which stage is sunlight needed?
A
Light-dependent reactions; Light-dependent reactions
B
Light-dependent reactions; Light-independent reactions
C
Light-independent reactions; Light-dependent reactions
D
Light-independent reactions; Light-independent reactions
Verified step by step guidance1
Understand the two main stages of photosynthesis: the light-dependent reactions and the light-independent reactions (Calvin cycle).
Recognize that the light-dependent reactions occur in the thylakoid membranes of chloroplasts and require sunlight to initiate the process.
Identify that during the light-dependent reactions, sunlight is absorbed by chlorophyll, exciting electrons and initiating electron transport.
Note that the electron transport chain is a series of protein complexes that transfer electrons, releasing energy used to form ATP and NADPH.
Understand that the light-independent reactions, also known as the Calvin cycle, occur in the stroma of chloroplasts and do not require sunlight directly, using ATP and NADPH produced in the light-dependent reactions.
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