Q12 of 59 Page 70

What is the basis for designating C3 and C4 pathways of photosynthesis?

Carbon is fixed to a 3-carbon compound in case of C3 pathways, i.e. 3-PGA.In C4 pathways, on the other hand, carbon, i.e. oxaloacetic acid, is fixed in a four-carbon compound. Thus, number of carbon atoms in the end product is the basis for designating C3 and C4 pathways of photosynthesis.


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ATPase enzyme consists of two parts. What are those parts? How are they arranged in the thylakoid membrane? Conformational change occurs in which part of the enzyme?

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Which products formed during the light reaction of photosynthesis are used to drive the dark reaction?

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Succulents are known to keep their stomata closed during the day to check transpiration. How do they meet their photosynthetic CO2 requirements?

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