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Multiple Choice
In the context of organic chemistry, what is the main product of the Calvin cycle?
A
Glucose
B
Acetyl-CoA
C
Pyruvate
D
Lactic acid
Verified step by step guidance
1
Understand the context: The Calvin cycle is a series of biochemical reactions that occur in the chloroplasts of photosynthetic organisms. It is part of the process of photosynthesis, specifically the light-independent reactions.
Identify the main purpose of the Calvin cycle: The primary function of the Calvin cycle is to convert carbon dioxide and water into organic compounds, using the energy derived from ATP and NADPH produced in the light-dependent reactions.
Recognize the main product: The Calvin cycle ultimately produces a three-carbon sugar molecule known as glyceraldehyde-3-phosphate (G3P). This molecule can be used to form glucose and other carbohydrates.
Consider the options given: Glucose is a six-carbon sugar that can be synthesized from G3P molecules produced in the Calvin cycle. Acetyl-CoA, Pyruvate, and Lactic acid are not direct products of the Calvin cycle.
Conclude the main product: Based on the understanding of the Calvin cycle's role in photosynthesis, the main product related to the options provided is glucose, as it is formed from the G3P produced in the cycle.