Microbes

Microbes

Introduction

Microbes are the small microscopic unicellular organisms and are bacteria, fungi and parasites. They are the primitive inhabitants of the earth and the fossils records indicate their presence at 3.5 billions years ago. They are present everywhere on the earth and in air (microbeworld.org)

Discussion

Bacteria

Bacteria are the unicellular microbes and they do not have any membrane bound nucleus and cell organelles. Their genetic material is concentrated with in the cell and it can be a single loop or a plasmid. Plasmid sometimes contains the genes that make the bacteria resistant (microbiologyonline.com). They are of different sizes and shapes such as ...