Multiple Choice
Which type of organic reaction is characterized by the recombination of radicals, as depicted in the experimental results shown in the figure?
3. Acids and Bases
Organic Chemistry Reactions
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In the context of organic chemistry reactions during photosynthesis, how are NADPH and G3P molecules similar?
A
Both are involved in the Calvin cycle as energy carriers.
B
Both are products of the light-dependent reactions.
C
Both contain high-energy phosphate bonds.
D
Both are used directly in the synthesis of glucose.
Verified step by step guidance1
Understand the role of NADPH in photosynthesis: NADPH is a product of the light-dependent reactions and acts as a reducing agent, providing high-energy electrons for the Calvin cycle.
Understand the role of G3P (glyceraldehyde-3-phosphate) in photosynthesis: G3P is a three-carbon sugar produced in the Calvin cycle, which can be used to synthesize glucose and other carbohydrates.
Analyze the statement 'Both are involved in the Calvin cycle as energy carriers': NADPH is indeed an energy carrier in the Calvin cycle, but G3P is a product rather than an energy carrier.
Analyze the statement 'Both are products of the light-dependent reactions': NADPH is a product of the light-dependent reactions, but G3P is not; it is produced in the Calvin cycle.
Analyze the statement 'Both contain high-energy phosphate bonds': NADPH contains high-energy electrons, but not high-energy phosphate bonds. G3P contains phosphate groups, but they are not considered high-energy bonds like those in ATP.
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