25 These are Phenol Red Glucose Broths (A left, B middle, give a reason for the reactions in Tubes A. B, C. ghtj.

Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
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25 These are Phenol Red Glucose Broths (A left, B middle, C right). Describe and
give a reason for the reactions in Tubes A, B, C.
Transcribed Image Text:25 These are Phenol Red Glucose Broths (A left, B middle, C right). Describe and give a reason for the reactions in Tubes A, B, C.
Expert Solution
Introduction

Phenol red glucose broth is a testing medium that is used to distinguish Gram-negative enteric bacteria by analyzing their sugar utilization capacity. The broth is made of glucose, phenol red (pH indicator), and peptone.  

Glycolysis is the process of producing pyruvate from carbohydrates (glucose). Fermentation is the process of producing acid (lactic acid) from pyruvate under anaerobic conditions. 

 

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