Bacteria and VirusesBacteria and Viruses

Mrs. LearyMrs. Leary

FactsFacts

2 kinds – Eubacteria 2 kinds – Eubacteria and Archaebacteriaand Archaebacteria

Eubacteria- more Eubacteria- more closely related to us. closely related to us. Can be found in us Can be found in us and on us.and on us.

Archaebacteria- more Archaebacteria- more primitive. Can be primitive. Can be found in places where found in places where nothing else can nothing else can survive.survive.

FactsFacts

Prokaryote – an Prokaryote – an organism with no organism with no nucleus- circular nucleus- circular chromosome in chromosome in cytoplasmcytoplasm

No organellesNo organelles Antibiotics kill bacteriaAntibiotics kill bacteria Most bacteria are Most bacteria are

helpfulhelpful Some can move with Some can move with

flagellaflagella

ShapesShapes

Bacilli – rod shapedBacilli – rod shaped

Cocci – roundCocci – round

Spirilla – corkscrew Spirilla – corkscrew shapedshaped

ExamplesExamples

PneumoniaPneumonia Escherichia coliEscherichia coli Strep throatStrep throat MeningitisMeningitis AnthraxAnthrax BotulismBotulism

VirusesViruses

Protein coat around Protein coat around genetic material genetic material (DNA or RNA)(DNA or RNA)

Considered non-Considered non-living- needs a host living- needs a host to surviveto survive

FactsFacts

Many shapesMany shapes Antibiotics don’t Antibiotics don’t

work against work against virusesviruses

Some anti-virals Some anti-virals and vaccinationsand vaccinations

ExamplesExamples

WartsWarts Chicken pox/ShinglesChicken pox/Shingles Common Common

cold/rhinoviruscold/rhinovirus InfluenzaInfluenza HIVHIV Small poxSmall pox EbolaEbola PolioPolio RabiesRabies