SAM is a methyl donor in the synthesis of ______.
a. melatonin
b. creatine
c. phosphatidylcholine
d. Both A and C are correct.
e. all of the above are correct
Answer: e. all of the above are correct
a. melatonin
b. creatine
c. phosphatidylcholine
d. Both A and C are correct.
e. all of the above are correct
Answer: e. all of the above are correct