Chapter 25, Problem 25.12UKC

Interpretation Introduction

Interpretation:

Fates of the carbon and nitrogen atom in a catabolized amino acid has to be explained.

Concept introduction:

Each amino acid is catabolized by a peculiar pathway, but the general sequence involves (a) Removal of amino group

(b) Use of the removed $-N{H}_2$ in the synthesis of new compounds or ammonium ion

(c) Passage of nitrogen into urea cycle and

(d) Incorporation of the carbon atoms into that can enter the citric acid cycle.