A 25-year-old man presented with fever, malaise, and a rash on his chest, arms, and feet. Which of the following will be most useful for a rapid diagnosis?

A) bacterial culture
B) microscopic examination of blood
C) serological test for antibodies
D) serological test for antigen
E) viral culture


Ans: C) serological test for antibodies

Biology & Microbiology

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Non-coding DNA regions within a gene are referred to as 

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how many oncogenic viruses have been discovered in humans?

What will be an ideal response?

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A nucleotide consists of a phosphate group, a molecule of sugar, and a __________________, all linked together by covalent bonds.

A) polypeptide B) triglyceride C) nitrogen-containing base D) sugar-containing base E) phosphorus-containing base

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