Host specificity of a virus is due to
A) particular genes that it shares with the infected cell.
B) the presence of an envelope.
C) differences in size between the virus and the host cell.
D) the presence or absence of a cell wall on the host cell.
E) interactions between viral and cellular surface molecules.
E
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Which one of the following groups does not belong to the domain of the eukaryotes?
a. Fungi b. Protists c. Bacteria d. Animals e. Plants
Four of the five answers listed below are events of the inflammatory response. Select the exception
a. Capillary permeability increases. b. Histamines are released. c. Blood vessels dilate. d. Temperature of the affected area drops. e. Phagocytes migrate toward the affected area.
Theories typically rely on a single hypothesis tested several times; theories do not take into consideration multiple hypotheses
a. true b. false
A naked virus exits a cell by ________; an enveloped virus exits a cell by ________.
A) lysis, budding off B) budding off, lysis C) the lytic cycle, the lysogenic cycle D) endocytosis, exocytosis