Microbiology Basics

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Questions and Answers

Microorganisms are small organisms that can not be seen by naked eye, seen only by ______

microscope

Prokaryotes are classified into ______, eukaryotes and viruses

prokaryotes

Bacteria can fix and convert atmospheric N2 to useful chemical compounds that ______ the soil

fertilize

The outer covering layer of the bacterial cell (outside the cytoplasmic membrane) is called the ______

<p>cell wall</p> Signup and view all the answers

Some bacterial cells may contain one or more of additional 4 structures: Capsule, Flagellae, Fimbriae 'Pilli', and ______

<p>inclusion granules</p> Signup and view all the answers

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Study Notes

Microorganisms

  • Microorganisms are small organisms that cannot be seen by the naked eye, requiring a microscope to be observed.

Classification of Microorganisms

  • Microorganisms are classified into three main groups: prokaryotes, eukaryotes, and viruses.

Nitrogen Fixation

  • Bacteria can fix and convert atmospheric nitrogen (N2) to useful chemical compounds that enrich the soil.

Structure of Bacterial Cells

  • The outer covering layer of the bacterial cell, outside the cytoplasmic membrane, is called the cell wall.

Additional Structures of Bacterial Cells

  • Some bacterial cells may contain one or more of the following additional structures: Capsule, Flagellae, Fimbriae (Pilli), and Plasmids.

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