Which of these problems can be best solved through community action?

Which of the following viruses would most likely have reverse transcriptase? a) an rna-based lytic virusb) an rna-based lysogenic virusc) a dna-based lytic virusd) a dna-based lysogenic virus

Explain why many people are concerned about uv rays? explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?

Which of these contraceptive methods on its own is least likely to prevent pregnancy ? a. spermicides b. condoms c. surgical sterilization d. oral contraceptives