-------------------- is a water soluble vitamin.
-
Colchicine
-
Cobalamin
-
Cobaltocene
-
Cocamidopropyl betaine
B
Correct answer
Explanation
Cobalamin, is a water soluble vitamin with a key role in the normal functioning of brain and nervous system, and for the formation of blood. It is normally involved in the metabolism of every cell of the human body, especially affecting DNA synthesis and regulation, but also fatty acid synthesis and energy production.