객관식
Which reaction does carbonic anhydrase catalyze in organic chemistry?
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3. Acids and Bases
Organic Chemistry Reactions
객관식
In the context of organic chemistry reactions, what is the primary purpose of the reduction phase in the Calvin cycle?
A
To fix into an organic molecule
B
To convert into
C
To produce and
D
To regenerate
검증된 단계별 안내1
Understand the Calvin cycle: The Calvin cycle is a series of biochemical reactions that take place in the chloroplasts of photosynthetic organisms. It is part of the process of photosynthesis and is responsible for converting carbon dioxide and other compounds into glucose.
Identify the phases of the Calvin cycle: The Calvin cycle consists of three main phases: carbon fixation, reduction, and regeneration. Each phase has a specific role in the synthesis of carbohydrates.
Focus on the reduction phase: The reduction phase is the second phase of the Calvin cycle. During this phase, ATP and NADPH, produced in the light-dependent reactions, are used to convert 3-phosphoglycerate (3-PGA) into glyceraldehyde-3-phosphate (G3P).
Chemical transformation in the reduction phase: In this phase, each molecule of 3-phosphoglycerate receives a phosphate group from ATP and is then reduced by NADPH to form glyceraldehyde-3-phosphate. This is a key step in the synthesis of carbohydrates.
Purpose of the reduction phase: The primary purpose of the reduction phase is to convert 3-phosphoglycerate into glyceraldehyde-3-phosphate, which can then be used to form glucose and other carbohydrates, providing energy and carbon skeletons for the plant.
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