Infectious naked strands of RNA are called

A. oncogenic viruses.
B. prions.
C. viroids.
D. phages.
E. spikes.


Answer: C

Biology & Microbiology

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Crossing over during prophase I results in ________

A) nondisjunction B) reciprocal translocation C) duplication D) genetic recombination

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Which of the following is related to an increase in the chance of breast cancer?

A) breast-feeding B) early first menstruation C) early menopause D) pregnancy

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Most bacterial and archaeal cells divide by ________.

A. binary fission B. mitosis C. meiosis D. All of the choices are correct.

Biology & Microbiology