Members of the genus Micrococcus usually exist as ________.
A. irregular clusters
B. pairs
C. tetrads
D. All of the choices are correct.
Answer: D
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Plasma makes up approximately ____ percent of the total blood volume
a. 10 b. 25 c. 50 d. 75 e. 90
Species that usually colonize empty habitats are more likely to show traits that are favored by _____
a. r-selection b. K-selection
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.
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