Ch6 Flashcards by Alexis Wilson | Brainscape

Q

Psychrophiles

A

Cold 10 degrees C

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Q

Mesophiles

A

Medium 37 degrees C

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Q

Thermophiles

A

Hot 67 degrees C

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Q

Obligate aerobes

A

Mycobacterium

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Q

Obligate anaerobes

A

Clostridium

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Q

Facultative aerobe

A

E. coli and yeasts

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Q

Aerotolerant

A

Lactobacilli

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Q

Microaerophiles

A

Helicobacter pylori

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Q

Chemicals for protein synthesis

A

Nitrogen, sulfur and phosphorus

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Q

Chemicals for DNA replication

A

Nitrogen and phosphorus

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Q

Chemical that is in all living things

A

Carbon

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Q

Cofactors

A

Trace minerals: iron, zinc, copper

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Q

Coenzymes

A

Vitamins

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Q

Osmotic pressure 3 options

A

Hypertonic - low salty, cause plasmolysis
Hypotonic - high, cause swell/burst
Isotonic - neutral

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Q

optimum pH

A

6.5-7.5 (neutral)

But mold and yeasts prefer lower

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Q

Plasmolysis caused by

A

Hypertonic (low, salty) pressure