Before the use of recombinant DNA blood clotting factor, many hemophiliacs faced the danger of

contracting ____________. Fill in the blank(s) with the appropriate word(s).


ANS: HIV

Biology & Microbiology

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A sterile item is free of

A. microbes. B. endospores. C. viruses. D. prions. E. microbes, endospores, AND viruses.

Biology & Microbiology

In the deductive reasoning behind the claim that "If firms can price discriminate, then prices will be higher in markets with lower price elasticities of demand" the role of "prices will be higher in markets with lower price elasticities of demand" is:

A. a conclusion. B. an assumption. C. a method of proof. D. a sample.

Biology & Microbiology

Which of the following is not an example of microbial antagonism or competitive exclusion?

A) microbes producing vitamins and growth factors that can be utilized by the host B) microbes producing acidic compounds that limit the growth of many bacteria C) microbes utilizing oxygen necessary for the growth of other microbes D) microbes competing with other microbes for nutrients E) microbes producing compounds inhibitory to other microbes

Biology & Microbiology

The interaction of two or more polypeptide chains in a hemoglobin molecule is its ____ structure.

A. primary B. secondary C. tertiary D. quaternary E. combined

Biology & Microbiology