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30 Cards in this Set

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What is a prokaryotic cell and an example of one

No nucleus, bacteria

What is a eukaryotic cell and 3 examples of one

Has a nucleus,


Algae, fungi, protazoa

A


F


P

What is an acellular

Virus, nucleic acids and proteins

Robert Hooke

-first compound microscope with 2 lenses


- observed cork and named cells

Microscope

Anton von Leewenhock

First to observe living organisms


Saw up to 300x

What is the Germ Theory of Disease?

Microorganisms can invade other organisms to cause disease


Disproves spontaneous generation

What did Aristotle believe about the gern theory?

That fire, earth, air, and water wrre the basis of all life

What was Redi's experiement?

Do worms grow from meat

Spallanzani

Boiled and sealed liquids to show that they would not grow microbes

Water

Needham

Believed in spontaneous generation. Thought spallanzanis reuslts were due to lack of air in the flask.

How did Pasteur disprove Needham

Used swan neck flasks to show that air could enter and the liquid was still sterile.

What were Koch's precultures made of?

First heated gelatin than agar from suggestion of assistants wife.

Four words to describe Koch's postulates

One organism, one disease

What are the 4 parts of Koch's postulates?

1. There is a specific CAUSE in every disease


2. Disease causing organism must be PRESENT in a pure culture


3. Infecting a healthy animal creates the SAME disease


4. Disease causing organism must be RECOVERED by the infected organism

cause


Present


Same


Recovered

Semmelweis

Suggested that doctors wash their hands

Lister

Created the first antiseptic from diluted carblolic acid

What is immunology?

Study of the host immune system and how it interacts with invading microbes

Virology

Study of viruses

Chemotherapy

Chemicals used to treat disease

What was Jenners experiment?

He noticed that milk maids were not getting cow pox. Hypothesis was that exposure to cow pox makes you less likely to get small pox. Infected a boy with a cow blister, then infected him with small pox, and he was fine.

What was Pasteurs experiment?

He accidently injected a chicken with old dead cholera, and then with new alive cholera, and the chicken was immune.

What vaccines did Pasteur lead to invent?

Rabies and cholera

Viruses can only be seen by

An electron microscope

Beijerinck

Discovered the infectious agent must be smaller than a bacterium.

Stanley

Coined tabacco mosaic viruses, which contained some live and some chemical properties

Tabacco

What did Ehrlich discover?

That some dyes stained bacteria but not animal cells

What did Fleming discover?

That lysozyme found in saliva and teas kills bacteria

Fleming is known as

The father of antibiotics

What did Griffith discover?

Harmless bacteria coule get genes from other bacteria and become pathogenic.

Hershey and Case discovered...

Some viruses have DNA and others have RNA