Reactions relevant to cellular respiration

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4 Terms

1
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what does NAD+ stand for

nicotinamide adenine dinucloetide

2
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what is NAD+ and what does it do

coenzyme derived from vitamin b3

it accepts two electrons, then whats left is 2 h+ molecules, hence carrying electrons 

NAD+ + 2e- + H+ → NADH+ + H+ 

reduced in glycolysis, pyruvate oxidation(link rcn) and krebs cycle

produces 2.5 ATP per 1 mol

it donates its electrons in the ETC to complex 1

3
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FAD

flavin adenine dinucleotide

4
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FAD and what does it do

  • coenzyme dervied from vitamin b2

  • FAD + 2H+ + 2e- —> FADH2

  • donates electrons to complex 2

  • FAD is reduced to FADH2 during krebs cycle

  • releases 1.5 mol of ATP per 1 MOL