3 years ago

Proper use of a condom during sexual activity does not guarantee protection against stis.

1 answer:

7 0

Answer: True
Sometimes the use of condoms can't prevent STIs(sexually transmitted infections) because of the manufacturer fault. STIs that caused by lice is not protected too because the condom doesn't cover hair. Other than that, a condom provides a good physical barrier that prevents diseases that transmitted body liquid.

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Which enzyme seals nicks and joins okazaki fragments? dna polymerase i dna gyrase dna primase dna ligase dna helicase?

mr_godi [17]

This would be DNA ligase.

8 0

3 years ago

Of 2,872 persons who had received radiation treatment in childhood because of an enlarged thymus, cancer of the thyroid develope

Goryan [66]

Answer: People who have received radiation treatment are 15 times more likely to develop benign thyroid tumors relative to does who have not.

Explanation:

Relative risk of benign thyroid tumor = (52/2872)/(6/5055)

= 0.018/0.0012