An explanation of NAD and FAD

Please help answer the following questions. Provide at least 300 words in the solution.

What are NAD and FAD? How do their roles differ? Which is found in greater amounts?

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...nce that can not be manufactured within the body - is merely a component of a larger molecule that plays a specific role as a coenzyme.

Both FAD and NAD function as electron carriers. When an electron pair is transferred to these molecules, either one or two hydrogen atoms are also transferred. FAD has accommodation for two hydrogens while NAD can accept one hydrogen. In NAD, then, an electron pair and one hydrogen are transferred, with a second hydrogen released into the medium. This subtle chemical difference is why the reduced form of FAD is written FADH2 while the ...