Which statement is true? In photosynthesis, Rubisco: Converts 3 phosphoglycerate into glyceraldehyde 3 phosphate Converts glyceraldehyde 3 phosphate into ribulose 5 phosphate Utilises \( \mathrm{CO}_{2} \) to produce 3 phosphoglycerate Carboxylates phosphoenol pyruvate to oxaloacetate
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- Rubisco (Ribulose-1,5-bisphosphate carboxylase/oxygenase) is an enzyme involved in the Calvin cycle of photosynthesis. Show more…
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What is the role of ribulose-1, 5 -bisphosphate, abreviated RuBisCO, in photosynthesis? a. It catalyzes the reaction between $\mathrm{CO}_{2}$ and ribulose bisphosphate (RuBP). b. It catalyzes the reaction that produces glyceraldehyde 3 -phosphate (G3P). c. It catalyzes the reaction that regenerates RuBP. d. It catalyzes the reaction utilizing ATP and NADPH.
Which of the following occurs during the carbon fixation phase of the Calvin cycle in photosynthesis? Choose all that apply. 1. CO2 is bonded with Ribulose-1,5-bisphosphate (RuBP). 2. ATP is consumed and regenerates ADP + Pi for the light reactions. 3. 1,3-bisphosphoglycerate is reduced to Glyceraldehyde-3-phosphate (G3P). 4. Glyceraldehyde-3-phosphate starts the regeneration of Ribulose-1,5-bisphosphate (RuBP). 5. Rubisco enzyme catalyzes the reaction in this phase.
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Which of the following statements about photorespiration is false? A. Photorespiration is the equivalent of cellular respiration in animal cells and takes place in the mitochondria of plant cells; B. Photorespiration generates carbon dioxide; C. Photorespiration increases when the stomata of a plant close; D. Photorespiration is of no net benefit to the plant; E. The key enzymes of photosynthesis and photorespiration are the same.
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