2. NAD is synthesized from the vitamin niacin. The daily dietary intake of niacin recommended for optimal nutrition, -20 mg, maintains a typical cellular concentration of -10 M NAD. At this concentration, the amount of NAD in a typical cell is far smaller than the amount of glucose that the cell metabolizes in a period of a few minutes! How can you explain this?

Biochemistry
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ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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2. NAD is synthesized from the vitamin niacin. The daily dietary intake of niacin recommended for optimal
nutrition, ~20 mg, maintains a typical cellular concentration of -105 M NAD*. At this concentration, the
amount of NAD in a typical cell is far smaller than the amount of glucose that the cell metabolizes in a
period of a few minutes! How can you explain this?
Transcribed Image Text:2. NAD is synthesized from the vitamin niacin. The daily dietary intake of niacin recommended for optimal nutrition, ~20 mg, maintains a typical cellular concentration of -105 M NAD*. At this concentration, the amount of NAD in a typical cell is far smaller than the amount of glucose that the cell metabolizes in a period of a few minutes! How can you explain this?
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