Chapter 26, Problem 26.49EP

Interpretation Introduction

Interpretation: To determine the fuel that enters the cycle directly and that enters the cycle indirectly.

Concept introduction: A cyclic biochemical pathway that involves the production of urea using ammonium ions and aspartate molecules as nitrogen sources is called a urea cycle. It converts the nitrogen carriers obtained from the metabolic breakdown of protein to urea which is then excreted from the body in urine.