Chapter 24.6, Problem 3QQ

Interpretation Introduction

Interpretation: To identify the reactant in the first step of gluconeogenesis.

Concept introduction: In the gluconeogenesis pathway, glucose is produced from non-carbohydrate substances. The net overall equation for gluconeogenesis is as follows:

$2\text{pyruvate}+2\text{NADH}+4\text{ATP}+2\text{GTP}+2{\text{H}}_2\text{O}\to \text{Glucose}+4\text{ADP}+2\text{GDP}+6{\text{P}}_{\text{i}}+2{\text{NAD}}^{+}$

A reactant is defined as the substance that is initially present in the chemical reaction and gets consumed to form a new substance.