Carboxylases requires -: (A) Vitamin B12, (B) Folic acid, (C) Niacin, (D) Biotin
Answer is D. Ans. is 'd' i.e., Biotin o Biotin is a coenzyme for carbon dioxide fixation reactions.o It serves as prosthetic group of ATP-dependent carboxylase, i.e., in carboxylation reactionQ,o It acts as coenzyme tor acetyl-CoA carboxylaseQ, propionyl-CoA carboxylaseQ, pyruvate carboxylaseQ and metbylcartonyl-CoA carboxylase.