Which of the following is not used as an antiseptic?

A. Chlorhexidine
B. 3% hydrogen peroxide
C. Aqueous glutaraldehyde
D. Iodophor
E. Merthiolate


Answer: C

Biology & Microbiology

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Although most of the mechanisms of evolution are nonrandom, the one that is absolutely random is ________

A) sexual selection B) natural selection C) artificial selection D) genetic drift

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The infectious form of chlamydia is the (elementary/initial/inclusion) body

What will be an ideal response?

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Which of the following hydrocarbon compounds are MOST recalcitrant?

A) straight-chain hydrocarbons B) ethane C) polycyclic hydrocarbons D) propane

Biology & Microbiology

In crosses involving complete dominance, the F2 genotypic ratio is 1:2:1 and is expressed as a

phenotypic ratio of ____________________. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology