Multiple Choice
Which of the following is a common reagent used in the oxidation of alcohols to ketones in organic chemistry reactions?
3. Acids and Bases
Organic Chemistry Reactions
Multiple Choice
Which of the following is not a stage of the Calvin Cycle in organic chemistry reactions?
A
Oxidative Phosphorylation
B
Carbon Fixation
C
Reduction Phase
D
Regeneration of RuBP
Verified step by step guidance1
Understand the Calvin Cycle: The Calvin Cycle is a series of biochemical reactions that take place in the chloroplasts of photosynthetic organisms. It is a crucial part of the process of photosynthesis, where carbon dioxide is converted into glucose.
Identify the stages of the Calvin Cycle: The Calvin Cycle consists of three main stages: Carbon Fixation, Reduction Phase, and Regeneration of RuBP (Ribulose Bisphosphate).
Carbon Fixation: In this stage, carbon dioxide is fixed into an organic molecule. The enzyme RuBisCO catalyzes the reaction between carbon dioxide and RuBP, forming a 6-carbon compound that splits into two 3-phosphoglycerate molecules.
Reduction Phase: During this phase, ATP and NADPH (produced in the light-dependent reactions of photosynthesis) are used to convert 3-phosphoglycerate into glyceraldehyde-3-phosphate (G3P), a carbohydrate.
Regeneration of RuBP: In this final stage, some of the G3P molecules are used to regenerate RuBP, allowing the cycle to continue. This process requires ATP. Oxidative Phosphorylation is not part of the Calvin Cycle; it is a process that occurs in cellular respiration, not photosynthesis.
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