Members of the genus Micrococcus usually exist as ________.

A. irregular clusters
B. pairs
C. tetrads
D. All of the choices are correct.


Answer: D

Biology & Microbiology

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Plasma makes up approximately ____ percent of the total blood volume

a. 10 b. 25 c. 50 d. 75 e. 90

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Species that usually colonize empty habitats are more likely to show traits that are favored by _____

a. r-selection b. K-selection

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Cell walls and cytokines of bacteria are examples of the evolution of resistance to the host immune

response. ____________________ Indicate whether the statement is true or false.

Biology & Microbiology

Acid-fast organisms are seen on a section of lung within normal alveolar sacs. They appear to lie slightly out of the plane of the section. This is most likely the result of:

a) contamination from the flotation bath b) a section that is too thick c) poor mounting technique d) the disease process

Biology & Microbiology