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19 Cards in this Set

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  • Back

Graham positive

Stain vile

Photoautotroph

Uses the sun to get their energy

Chemoautotroph

Obtains energy from inorganic molecules

Heterotroph

Consumes food, includes most bacteria's

Cell wall

Different in eubacteria and archaebacteria. Also different in graham posutive and graham negative

Decomposer

Breaks down dead organisms into different substances

Mathanogen

A group of archaebacteria

Virus

Consists of a protein coat called a capsid and either and rna or dna

Lysogenic

Do not lyse or burst the host of the cell right away

Lytic

Causes the host cell to burst and be destroyed

Pathogen

Causes disease

AIDS

Viral disease

Botchulism

Caused by bacteria

Vaccine

Made of a weakened or killed virus. Prevents diseases

Antibiotic

Used to kill bacteria

Toxin

Released by bacteria, caused disease

Shingles and the chicken pox are both viral diseases. Link the infection cycle with the appearance of shingles years after the initial infection.

Because it is a lysogenic cycle, do the virus can remain dormant for many years


A student heated milk to 81°C for fifiteen minutes. Then added a teaspoon of yogurt. and incubated at 39°C for 24 hours. At the end the milk has gotten thicker and its pH decreased so it became more acidic. What happened to the milk

The bacteria from the yogurt caused the milk to spoil and the bacteria made it sour.

Why was the milk heated fist?


To kill the bacteria