Question: Ascorbic acid acts as an [A]. reducing agent [B]. oxidizing agent [C]. oxidizing and reducing agent both [D]. none of the above Answer: Option A Explanation: No answer description available for this question.

Question: Who discovered vitamin C (ascorbic acid)? [A]. Paul Berg [B]. Linus Pauling [C]. Albert Szent-Gyorgyi [D]. Kerry Mull is Answer: Option C Explanation: No answer description available for this question.

Question: E.coli ACP has its molecular weight as around [A]. 9000 [B]. 19000 [C]. 39000 [D]. 90,000 Answer: Option A Explanation: No answer description available for this question.

Question: Acyl carrier protein (ACP) plays an important role in the biosynthesis of [A]. fatty acids [B]. amino acids [C]. sugars [D]. carbohydrates Answer: Option A Explanation: No answer description available for this question.

Question: In the co-enzyme B12the position occupied by a cyanide ion in vitamin B12 is bonded directly to the __________ of the ribose of adenosine. [A]. adenine [B]. 5-6 dimethylbenzimidazole [C]. hydroxycobalamin [D]. cyanocobalamin Answer: Option A Explanation: No answer…

Question: An enzyme, L-folate reductase reduces folic acid to [A]. hydrofolic acid [B]. dihydrofolic acid [C]. trihydrofolic acid [D]. tetrahydrofolic acid Answer: Option B Explanation: No answer description available for this question.

Question: A deficiency of thiamin produces the disease known as [A]. beri-beri [B]. scurvy [C]. cataract [D]. anemia Answer: Option A Explanation: No answer description available for this question.

Question: Biotin occurs mainly in combined forms bound to protein through [A]. ε-N-lysine moiety [B]. ε-S-lysine moiety [C]. ε-N-biotinyl-L-lysine [D]. ε-N-lipoyl – L-lysine Answer: Option A Explanation: No answer description available for this question.

Question: Lipoic acid is a co-factor of the [A]. pyruvic dehydrogenase [B]. α-ketoglutaric dehydrogenase [C]. both (a) and (b) [D]. di-hydroorotate dehydrogenase Answer: Option C Explanation: No answer description available for this question.

Question: Lipoic acid exists in [A]. oxidized form [B]. reduced form [C]. oxidized and reduced form both [D]. none of these Answer: Option C Explanation: No answer description available for this question.