Question

What combines to make NADH and FADH?

Answer 1

The role of NADH and FADH2 is to donate electrons to the electron transport chain. They both donate electrons by providing an hydrogen molecule to the oxygen molecule to create water during the electron transport chain. NADH is a product of both the glycolysis and Kreb cycles. FADH2 is only produced in Krebs cycle

In the Krebs cycle, acetyl CoA is oxidized, which releases high energy electrons. These electrons and hydrogen atomscombine with NAD+ and FAD molecules to form NADH and FADH2, respectively. NADH and FADH2 that act as electron carriers give away their electrons to the electron transport chain

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NADH and FADH2 lose their electrons, and the energy from those electrons is used to produce ATP. At the end of the electron transport chain, the energy of the glucose molecule is converted to a form that the cell can use to power cellular work. NADH and FADH2 interact with proteins embedded in the inner mitochondrial membrane, losing their electrons to them in the process. These electrons will move through a series of proteins in the membrane, which make up the electron transport chain. The oxidized NAD+ and FAD are then able to accept more electrons from glycolysis and the Krebs cycle to keep the process going.

Hydrogen

Basically,1 to 2 ATP molecules combine to make FADH while 2 to 3 ATP molecules combine to make NADH.



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