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Questions and Answers
What is the primary source of energy and reducing power for regenerating ribulose 1,5-bisphosphate?
What is the primary source of energy and reducing power for regenerating ribulose 1,5-bisphosphate?
- Carbon fixation cycle
- Starch breakdown in chloroplast stroma
- ATP and NADPH produced by photosynthetic light reactions (correct)
- Light-dependent reactions
What is the product of the carbon fixation cycle that is used as the starting material for the synthesis of other sugars and organic molecules?
What is the product of the carbon fixation cycle that is used as the starting material for the synthesis of other sugars and organic molecules?
- 3-Phosphoglycerate
- Glyceraldehyde 2-phosphate
- Glyceraldehyde 3-phosphate (correct)
- Ribulose 1,4-bisphosphate
What is the fate of glyceraldehyde 3-phosphate during periods of excess photosynthetic activity?
What is the fate of glyceraldehyde 3-phosphate during periods of excess photosynthetic activity?
- It is transported out of the chloroplast
- It is retained in the chloroplast stroma and converted to starch (correct)
- It is used to synthesize ATP
- It is converted to fat in the stroma
What is the role of ribulose 1,5-bisphosphate in the carbon fixation cycle?
What is the role of ribulose 1,5-bisphosphate in the carbon fixation cycle?
What is the product of the light-dependent reactions that is used to regenerate ribulose 1,5-bisphosphate?
What is the product of the light-dependent reactions that is used to regenerate ribulose 1,5-bisphosphate?
What is the result of one turn of the carbon fixation cycle?
What is the result of one turn of the carbon fixation cycle?
What is the primary role of the Calvin Cycle in photosynthesis?
What is the primary role of the Calvin Cycle in photosynthesis?
Where do the light-dependent reactions occur in the chloroplast?
Where do the light-dependent reactions occur in the chloroplast?
What is the primary function of the ATP and NADPH produced by photosynthetic electron-transfer reactions?
What is the primary function of the ATP and NADPH produced by photosynthetic electron-transfer reactions?
What is the role of RuBP in the Calvin Cycle?
What is the role of RuBP in the Calvin Cycle?
What is the role of Rubisco in the carbon fixation reaction?
What is the role of Rubisco in the carbon fixation reaction?
What is produced during the light-dependent reactions and used in the Calvin Cycle?
What is produced during the light-dependent reactions and used in the Calvin Cycle?
What is the five-carbon compound that combines with CO2 and water to form 3-phosphoglycerate?
What is the five-carbon compound that combines with CO2 and water to form 3-phosphoglycerate?
What is the byproduct of the overall process of photosynthesis?
What is the byproduct of the overall process of photosynthesis?
What is the byproduct of the carbon fixation reaction that is used to replenish ribulose 1,5-bisphosphate?
What is the byproduct of the carbon fixation reaction that is used to replenish ribulose 1,5-bisphosphate?
What happens to the spent ATP from the Calvin Cycle?
What happens to the spent ATP from the Calvin Cycle?
What is the name of the enzyme that catalyzes the carboxylation reaction in the chloroplast stroma?
What is the name of the enzyme that catalyzes the carboxylation reaction in the chloroplast stroma?
What is the result of the carbon fixation reaction in the chloroplast stroma?
What is the result of the carbon fixation reaction in the chloroplast stroma?
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