Generally the proteins of thermophiles

Generally the proteins of thermophiles

A. resist denaturation.
B. react more efficiently with DNA.
C. are easily denatured.
D. have a particular amino acid sequence that restricts bond formation.
E. are easily denatured AND have a particular amino acid sequence that restricts bond formation.

In a rapidly multiplying bacterial population, cell numbers increase

A. arithmetically.
B. logarithmically.
C. linearly.
D. indirectly.

A hot tub (approx. 104F or 40C) would most likely contain

A. psychrophiles.
B. partiers.
C. thermophiles.
D. mesophiles.

A urine sample with more than 100,000 organisms is considered indicative of infection. A urine sample containing 5,000 bacteria,with a generation time of 30 minutes,

sits for 3 hours before finally being assayed. How many bacteria will then be present within the sample?
A. 10,000
B. 64,000
C. 100,000
D. 320,000

A pure culture in exponential growth phase has a bacterial concentration of 6.4 x 108 cells/ml. If the bacterium has a generation time of 1 h, how long ago was the cell concentration 8.0 x 107 cells/ml?

A. 1 h
B. 2 h
C. 3 h
D. 4 h

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Generally the proteins of thermophiles

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