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Chapter 23 775
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12.
Why is NADPH needed in order to convert uridines to thymidines?
13.
Indicate whether each of the following statements is true or false:
a.
Vitamin
B
1
is the only water-insoluble vitamin that has a coenzyme function.
T F
b.
FADH
2
is a reducing agent.
T F
c.
Thiamine pyrophospate is vitamin
B
6
.
T F
d.
Cofactors that are organic molecules are called coenzymes.
T F
e.
Vitamin K is a water-soluble vitamin.
T F
f.
Lipoic acid is covalently bound to its enzyme by an amide linkage.
T F