Bacterial Classification and Structure

8 03, 2021

Specialized Structures Outside of the Cell Wall

Bacterial Classification and Structure|0 Comments

Capsule Gelatinous layer surrounding the bacterial cell; gives many bacterial colonies a mucoid appearance. Composed of polysaccharide (except in Bacillus anthracis) which varies among bacteria

8 03, 2021

Cytoplasmic (Cell) Membrane, Mesosome and Cytoplasm

Bacterial Classification and Structure|0 Comments

1. Cytoplasmic (Cell) Membrane Located just inside the peptidoglycan layer. Phospholipid bilayer similar to eukaryotic membranes, but does not contain sterols (except Mycoplasma species). Functions:

8 03, 2021

The Structure of Bacterial Cells

Bacterial Classification and Structure|0 Comments

Structure Chemical Composition Function Essential Components Cell Wall   Peptidoglycan         Outer membrane of Gram- negative bacteria     Surface fibers of

8 03, 2021

Medically important bacteria that cannot be seen in the Gram stain

Bacterial Classification and Structure|0 Comments

Name Reason Alternative Microscopic Approach Mycobacteria (Ex. M. tuberculosis) Too much lipid in cell wall so dye cannot penetrate Acid-fast stain Treponema pallidum Too thin

8 03, 2021

Classification of Bacteria

Bacterial Classification and Structure|0 Comments

It is difficult to classify all bacteria into clear-cut categories.  Various classification methods are used, depending in part, on the purpose.   Nomenclature Bacteria are

8 03, 2021

Eukaryotes vs. Prokaryotes

Bacterial Classification and Structure|0 Comments

  Property Prokaryotic Bacterial Cells Eukaryotic Human Cells DNA within a nuclear membrane No Yes Number of chromosomes 1 More than 1 Mechanism of Replication

5 03, 2021

Bacterial Classification and Structure

Bacterial Classification and Structure|0 Comments

Learning Objectives: You should be able to: describe the major differences between eukaryotic and prokaryotic cells and explain why it is important to know the

Go to Top