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stepan [7]
3 years ago
14

The reactions of the Calvin cycle do not require light, but they usually do not occur at night. Why?

Biology
2 answers:
PilotLPTM [1.2K]3 years ago
6 0
Because of photosynthesis <span />
DedPeter [7]3 years ago
3 0
<span>The Calvin Cycle requires products only produced when the photosystems are illuminated.</span>
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Scorpion4ik [409]

B

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Explanation:

Excretion of H+ ions from the blood via urine means decreasing the H+ content in the blood. This consequently means the blood pH rises ad becomes more basic (remember H+ ions are responsible for acidity for a solution). For the body to maintain the homeostatic pH of between 7.35 and 7.45, the carbonic anhydrase activity will increase hence dissolving more CO₂ into the blood plasma to form carbonic acid (H₂CO₃). Carbonic acid dissociated fast into H⁺ and HCO₃⁻. The H+ from the dissociation replenishes the H⁺ to the right concentration.  

Learn More;

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vovangra [49]
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3 years ago
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Answer: we can conclude that the correct answer is:

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