Hfr transfer involves all of the following except

A. a pilus connection between F+ and F- cells.
B. plasmid gene transfer.
C. F factor is part of the F+ donor chromosome.
D. high frequency transfer.
E. gene integration into the bacterial chromosome.


Answer: B

Biology & Microbiology

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Which of the following is most likely to be true about the mouse and rat myosin genes?

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Restoring a marsh that has been damaged by human activities is an example of _____

a. biological magnification b. bioaccumulation c. ecological restoration d. globalization

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When antibodies or other substances in serum cross-react with the test reagents, a false positive result can occur.

Answer the following statement true (T) or false (F)

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In eukaryotes, pre-mRNA processing may involve all of the following except

A. addition of a 3' poly-A tail B. removal of exons from the pre-mRNA. C. addition of a 5' cap. D. pre-mRNA splicing by the spliceosome.

Biology & Microbiology