Download presentation
Presentation is loading. Please wait.
1
Bacteria are prokaryotic (lack a nucleus)
The Bacterial Cell Bacteria are prokaryotic (lack a nucleus)
2
Shape of Bacteria Round – cocci Example – strep – throat
(Streptococcus)
3
Shape of Bacteria Rod-shaped - bacilli Example – E. coli
(Escherichia coli) Usually found in the intestines
4
Shape of Bacteria Spiral shaped – spirilla Example – Lyme disease
(Borrelia burgdorferi)
5
Movement of Bacteria Flagella – a long whip-like structure that helps the cell move by spinning in place like a propeller.
6
A bacterial cell can have many flagella, one or none.
If a bacterial cell does not have a flagella, they depend on air, water or clothing to carry them around.
7
Obtaining Food Autotrophs – make their own food.
8
Obtaining Food Heterotrophs – obtain food by eating autotrophs or other heterotrophs.
9
Types of Bacteria Helpful Bacteria
Food: cheese, sauerkraut, pickles, sour cream and yogurt
10
Harmful Bacteria Illness and Health Strep throat and food poisoning
11
Antibiotic A chemical that can kill bacteria.
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.