Multiple Choice
What type of reaction occurs when nitrogenase converts N2 into NH3?
3. Acids and Bases
Organic Chemistry Reactions
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What is the main purpose of light-dependent reactions in photosynthesis?
A
To produce ATP and NADPH for the Calvin cycle
B
To fix carbon dioxide into glucose
C
To convert glucose into pyruvate
D
To release oxygen as a byproduct of glucose synthesis
Verified step by step guidance1
Understand that photosynthesis consists of two main stages: the light-dependent reactions and the Calvin cycle (light-independent reactions).
Recognize that the light-dependent reactions occur in the thylakoid membranes of chloroplasts and require light energy to proceed.
Identify that the primary purpose of the light-dependent reactions is to convert solar energy into chemical energy in the form of ATP and NADPH.
Note that ATP and NADPH produced in the light-dependent reactions are then used in the Calvin cycle to fix carbon dioxide into glucose.
Acknowledge that while oxygen is released as a byproduct during the light-dependent reactions, the main purpose is the production of ATP and NADPH for the Calvin cycle.
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