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7 August, 13:30

Which of the following statements about NADPH and/or NADH is not true? Choose one:

A. NADPH is an activated carrier molecule that is usually used in biosynthetic reactions to build energy-rich molecules.

B. NADH is an activated carrier molecule that is usually used in oxidation reactions to produce ATP.

C. NADPH is an activated carrier molecule that is used primarily by plants.

D. All of these statements are incorrect regarding the activated carrier nature of these molecules.

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Answers (1)
  1. 7 August, 13:48
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    NADPH is an activated carrier molecule that is used primarily by plants (NOT TRUE)

    Explanation:

    NADPH is indeed an electron carrier molecule that participates in various metabolic (anabolic) reactions carried out by plants, but it also participates actively in metabolic (anabolic) reactions carried out in animal tissues, this means that it is used by the cells of the human body as well.

    A very important metabolic process in which the NADPH is produced is during the glucose 6-phosphate oxidation into phosphate pentoses through the pentose phosphate pathway. In this process NADP + is the main electron acceptor, so when it is reduced it produces NADPH. This NADPH is very important for the synthesis of fatty acids, cholesterol and various steroid hormones.
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Home » Biology » Which of the following statements about NADPH and/or NADH is not true? Choose one: A. NADPH is an activated carrier molecule that is usually used in biosynthetic reactions to build energy-rich molecules. B.
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