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Why are NADH and FADH2 necessities in the electron transport chain?

A) They help form water.

B) They donate electrons.

C) They help break up CO2.

D) They pick up electrons.

Respuesta :

malayia49
B. They donate electrons.
luisvaschetto

NADH and FADH2 play a fundamental role in the electron transport chain because they PICK UP electrons (Option D).

  • Nicotinamide Adenine Dinucleotide (NAD) and Flavin Adenine Dinucleotide (FAD) are key coenzymes that are involved in oxidation-reduction reactions during cellular respiration.  

  • The electron transport chain (ETC) is the third step in cellular respiration.

  • ETC consists of a set of chemical reactions where electrons from NADH and FADH2 are shifted to low energy molecules like molecular oxygen (O2)

NADH and FADH2 play a fundamental role in the electron transport chain because they pick up electrons (i.e., they are electron carriers) from one molecule and drop them off with another (Option D).

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