To indicate whether the B vitamin portion of NAD + molecule is the “active” subunit of the molecule in redox reactions or not. Concept introduction: B vitamin is a group of vitamins which are water-soluble in nature and acts as precursors for enzyme cofactors. Coenzymes are non-protein organic compounds that are used along with the enzymes and help to carry forward the reaction. Coenzymes cannot perform on their own alone. Nicotinamide adenine dinucleotide and flavin adenine dinucleotide are examples of coenzyme which are utilized in various metabolic pathways.

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Chapter 23, Problem 23.32EP

(a)

Interpretation Introduction

Interpretation: To indicate whether the B vitamin portion of NAD+ molecule is the “active” subunit of the molecule in redox reactions or not.

Concept introduction: B vitamin is a group of vitamins which are water-soluble in nature and acts as precursors for enzyme cofactors.

Coenzymes are non-protein organic compounds that are used along with the enzymes and help to carry forward the reaction. Coenzymes cannot perform on their own alone. Nicotinamide adenine dinucleotide and flavin adenine dinucleotide are examples of coenzyme which are utilized in various metabolic pathways.

(b)

Interpretation Introduction

Interpretation: To indicate whether the B vitamin portion of FADH2 molecule is the “active” subunit of the molecule in redox reactions or not.

Concept introduction: B vitamin is a group of vitamins which are water-soluble in nature and acts as precursors for enzyme cofactors.

Coenzymes are non-protein organic compounds that are used along with the enzymes and help to carry forward the reaction. Coenzymes cannot perform on their own alone. Nicotinamide adenine dinucleotide and flavin adenine dinucleotide are examples of coenzyme which are utilized in various metabolic pathways.

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