Multiple Choice
Which of the following comprises the vitamin B₆ "umbrella" of compounds?
A) pyridoxal, pyridoxine, and pyridoxamine
B) retinol, retinal, and retinoic acid
C) cholecalciferol and ergocalciferol
D) phylloquinone and menaquinone
Correct Answer:

Verified
Correct Answer:
Verified
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