Question

Biochem

0. Fad Accepss

1. H

2. Proton

3. H:H

4. Acetyl groups

1. NAD+ accepts ___

1. H

2. Proton

3. H:H

4. Acetyl groups

2. Coenzyme A accepts

1. Acyl

2. Acetyl

3. Thioesters

4. All of above

3. Which coenzyme upon oxidation reduction makes the most atp?

1. CoA

2. Lipoic Acid

3. FAD

4. NADH

Answer 1

0. FAD Accepts H:H

FAD is Flavin Adenine Dinucleotide. It can be converted into quinine form by oxidisation. In the Quinine form it accepts two hydrogen atoms to form FADH₂. It is a hydroquinone form of FAD.

1. NAD+ accepts H

Nicotinamide Adenine Dinucleotide is NAD. It can accept two electrons and a Hydrogen. After the addition of hydrogen it gets reduced to NADH + H⁺. Actually it is the reduced form of Nicotinamide Adenine Dinucleotide.

2. Coenzyme A accepts All of the above

Coenzyme A accepts Acyl, Acetyl and Thioesters. By Oxidative decarboxylation of $\alpha$-keto acids Coenzyme A thioesters will be formed. From Pyruvate Coenzyme A is formed. Both Acyl Coenzyme A and Acetyl Coenzyme A are equal parts which belongs to the molecules. The Acetyl group is formed by Methyl(CH₃) group and Carbonyl group. Acyl group is a part with a formation of alky group and carbonyl group.

3. Which Coenzyme upon oxidative reduction reaction makes the most ATP?  

ans) NADH

NADH produce more no.of ATP. The number of ATP is 3.