(lymphatic) system defends our body with:

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?