Chapter 1, Problem 3P

Summary Introduction

To determine: The special strain of Neurospora that makes citrulline but not arginine and the mutant or missing gene in the strain.

Introduction. All the enzymes in the body that are crucial for the biochemical reactions are proteins. The proteins are made of amino acids. The amino acids are of 20 types that combine in a varied manner to form proteins. The amino acids join together by peptide bonds. Proteins act as major substrates and reactants for the metabolic pathways.