Which of the following could use reverse transcriptase to transcribe its genome?

A) ssRNA
B) dsRNA
C) ssDNA
D) dsDNA


Answer: A

Biology & Microbiology

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Oral contraceptives work by _____

a. changing the pH of the uterus so sperm cannot live b. changing the temperature of the uterus so sperm cannot live c. blocking the entrance to the uterus d. killing sperm e. preventing ovulation

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A number of generalizations can be made about the organization of protein-coding genes in bacterial chromosomes. First, the gene density is very high, averaging about ________

Fill in the blank(s) with correct word

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Eyes are relatively vulnerable to infection because

A. there is scant normal microbiota to serve a protective role. B. immune privilege restricts access to the cells conferring innate immunity. C. they are not covered by keratinized epithelium. D. All of these answers are correct.

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All of the following are outward signs of inflammation EXCEPT

A. redness. B. pain. C. swelling. D. lower temperature.

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