Multiple choice

Which among the following reduces NADP+ to NADPH?

  1. HMP pathway

  2. Calvin cycle

  3. Glycolysis

  4. EMP pathway

  5. Oxidative decarboxylation
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A Correct answer
Explanation

HMP pathway generates NADPH molecules which are used as reductants in biosynthetic process under conditions when NADPH molecules are not generated by photosynthesis. It is, therefore, important in non- photosynthetic tissues such as in differentiating tissues, generating seeds and during periods of darkness. Production of NADPH is not linked to ATP generation in pentose phosphate pathway.

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