Chapter 21.3, Problem 5AYP

Summary Introduction

To explain:

The disease caused by a mixture of microorganisms.

Concept introduction:

There are many microorganisms which are classified as “gram $+$” or “gram $-$” bacteria. They are present in various shapes, sizes, and morphology as visible under a microscope. They infect the cells of the human body and proliferate inside them. They release toxins which are harmful for cells leading to their apoptosis.