BIO221 BIO 221

Lab Module 8 – Biochemical Tests Lab Report Name: After reviewing the Biochemical Tests Introduction and Background document, answer the following questions below. 1. Phenol-Red Fermentatio n Assays a. What are two common by-products of sugar fermentation? How is phenol-red broth designed to measure both? Two common byproducts of sugar fermentation are acid and gas (mainly hydrogen and carbon dioxide). Acid production - Acid production is indicated by the color changes of medium from normal re...