Nester's Microbiology: A Human Perspective
Nester's Microbiology: A Human Perspective
9th Edition
ISBN: 9781259709999
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
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Chapter 28, Problem 1CT
Summary Introduction

To review:

The reason that the colonies growing in the close association are smaller than those that are well separated.

Introduction:

Agar is the most commonly used solidifying agent for any culture media. Bacteria can be grown successfully in nutrient-rich agar medium. Bacteria obtain nutrients from the mediumand expand in size. For multiplication and identification of bacteria, this method is usually applied. The given figure below depicts growth of the bacterial colonies on an agar plate. Some of them form into single large cells while others grow into small colonies.

Nester's Microbiology: A Human Perspective, Chapter 28, Problem 1CT

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