Microbiology Exam 2

Bacteria by Temperature

100

Bacteria that like it cold, below 0° to 20°C

psychrophiles 

200

Bacteria that need temperatures 40° to 80°C
 

Thermophiles

300

Bacteria that need 15° to 45°C
 

Mesophiles

400

Bacteria that need 65° to 121°C

hyperthermophiles

500

An example of a thermophile

Thermus aquaticus 

Special features

100

Bacteria that live on glaciers have developed what 

antifreeze proteins

200

Bacteria make what protein during heat shock

chaperone proteins

300

The temperature at which bacteria replicate the at the fastest rate

optimal temperature

400

Smallest amino acids found in bends and curves of proteins, add to rigidity

glycine