Removal of the amino group from amino acids in the first step of their catabolism requires a coenzyme derived from vitamin ________.
a. A
b. C
c. B12
d. B6
e. B9
Answer: D
Removal of the amino group from amino acids in the first step of their catabolism requires a coenzyme derived from vitamin ________.
a. A
b. C
c. B12
d. B6
e. B9