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An explanation of NAD and FAD

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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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Solution Summary

The following posting helps with a problem about biological chemistry. This solution provides an explanation about what NAD and FAD are. It discusses how their roles differ and which is found in greater amounts. The explanation is given in 376 words.

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FAD - flavin adenine dinucleotide. This is the physiologically functional form of ribofavin (Vitamin B2). FAD is synthesized from riboflavin and ATP. The normal daily requirement for riboflavin is 1.2 - 1.7 mg/day for normal adults.

NAD - nicotinamide adenine dinucleotide. This is the physiologically functional form of nicotinamide (Vitamin B3). The recommended daily requirement for niacin is 13 - 19 niacin equivalents (NE) per day for a normal adult. One NE is equivalent to 1 mg of free niacin.

The key feature here is that the vitamin - that is, the trace ...

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