What antibacterial chemical is present in tear fluid?
A. antibodies
B. complement
C. defensins
D. lysozyme
E. interferon
Answer: D
Biology & Microbiology
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There are many genes in archaeal genomes that have no known function
Indicate whether the statement is true or false.
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Which of the following is a product of alcoholic fermentation?
a. oxygen b. FADH 2 c. water d. ethanol
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Immigration and __________ permanently affect population size, but __________ does not. Fill in the blank(s) with the appropriate word(s)
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Microaerophiles are microbes that grow best at low
A. carbon dioxide levels. B. pH values. C. hydrostatic pressure. D. oxygen levels. E. salt concentrations.
Biology & Microbiology