After what number of sexual encounters with an infected person should someone seek treatment for an sti? 1 2–10 20–40 0

Which of the following statements describes the lysogenic cycle of lambda (λ) phage? a) after infection, the viral genes immediately turn the host cell into a lambda-producing factory, and the host cell then lyses. b) most of the prophage genes are activated by the product of a particular prophage gene. c) the phage genome replicates along with the host genome. d) the phage dna is copied and exits the cell as a phage.

Never seek shelter from a tornado: a. in a mobile home b. in a car or truck c. in a room with windows d. in any of the above

Which of the following is not of the top health concerns in the united states