Whose discovery of streptomycin stimulated an intense search for other antibiotics?

Drea has never had alcohol, but she believes her friends when they tell her that almost everybody at their school drinks on a regular basis. in reality, very few students at the school drink alcohol. which statement best describes what is occurring in this situation? a. peers are influencing what drea thinks of as normal behavior. b. peers are pressuring drea to drink. c. drea is not really influenced by what her peers think. d. drea is giving in to peer pressure.

Which of the following best reflects what we know about how the flu virus moves between species? a) the flu virus in a pig is mutated and replicated in alternate arrangements so that humans who eat the pig products can be infected. b) a flu virus from a human epidemic or pandemic infects birds; the birds replicate the virus differently and then pass it back to humans. c) an influenza virus gains new sequences of dna from another virus, such as a herpesvirus; this enables it to be transmitted to a human host. d) an animal such as a pig is infected with more than one virus, genetic recombination occurs, the new virus mutates, the virus is passed to a new species such as a bird, and the virus mutates again and can now be transmitted to humans.

The pituitary gland is controlled by sex hormones true or false.