Genetic coding for virulence factors can be transferred among various bacteria by:

A. single-stranded DNA.
B. plasmids.
C. double-stranded RNA.
D. chromosomal DNA


Answer: B. plasmids.

Biology & Microbiology

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Which of the following chemicals plays a part in a man's erection?

a. carbon dioxide b. carbon monoxide c. nitric oxide d. phosphoric acid e. carbonic acid

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Indicate whether the statement is true or false

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Please choose the correct feature of Balantidium coli

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Biology & Microbiology