Account for ATP use and redistribution of triose phosphate to regenerate RuBP for continuing carbon fixation.
Tę umiejętność sprawdza 6 zadań wzorowanych na arkuszach IB z lat 2023–2026.
The scheme summarizes the Calvin cycle. How many molecules of three-carbon glycerate phosphate (3-PGA) must enter its reduction stage to yield one six-carbon sugar while also regenerating all the carbon acceptor? A. 3 B. 6 C. 10 D. 12
During Calvin-cycle operation, four triose-phosphate molecules leave the cycle and provide carbon for two hexose molecules. How many RuBP molecules must be regenerated during this net production? A. 12 B. 20 C. 4 D. 8
Which listed photosynthetic process directly consumes ATP? I. Photolysis of water II. Regeneration of ribulose bisphosphate III. Building the light-driven thylakoid proton gradient A. I and II B. II and III C. II only D. I only
A simplified Calvin-cycle pathway is shown. Identify X and Y.
Actively photosynthesizing algae receive a pulse of labelled carbon dioxide. After sufficient time for label to move through the Calvin cycle and into its carbohydrate products, which compounds can contain labelled carbon? I. Ribulose bisphosphate II.…
Actively photosynthesizing algae receive a pulse of labelled carbon dioxide. After sufficient time for label to move through the Calvin cycle and into its carbohydrate products, which compounds can contain labelled carbon? I. Ribulose bisphosphate II.…
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