Viruses & Bacteria

Viruses

Traits› Neither living or

nonliving› Not made of cells› Don’t grow or

respond to changes in envt.

› Reproduce only in living cells

› Grouped by the type of cell they infect

Host› Organism that

provides food a parasite

Parasite› Organism that lives

in or on another living thing

Tomato spotted wilt virus

Rabies

Viral Cycle http://www.youtube.com/watch?v=gU8XeqI7yts

Smallpox chickenpox

Shingles

Herpes Simplex I Measles

Examples of Viral Diseases

HIV Replication and Life Cycle› http://www.youtube.com/watch?v=rqDkYJn

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BACTERIA

Microbiology Bacteriology

Monerans AKA Bacteria

Traits› Small› One-celled monerans› Larger than viruses› Found almost everywhere› Live in water, air, soil, food etc.

Groups of Bacteria

COLONIES

Example:› Plaque

Bacteria Reproduction

Binary Fission› http://

www.youtube.com/watch?v=gEwzDydciWc

Shapes of Bacteria

Bacteria Diagram

Examples of Bacterial Diseases

Tetanus (Lockjaw)

Gangrene Gas

Rocky Mountain Spotted Fever

Buboes, or swollen lymph nodes, are classic signs of bubonic plague. Buboes

appear in the lymph nodes closest to where a flea bit a person. Photograph

is courtesy of CDC.

Strep Throat

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