Edward jenner discovered vaccinations. he found that some of the dairymaids who worked with cows had suffered lesions on their hands, and that these dairymaids were immune to the more severe smallpox. then, he inoculated james phipps with material from the lesions on a dairymaids’ hands. which best explains why jenner decided to infect phipps?
Answers: 2
Biology, 22.06.2019 04:30
Sexual reproduction in the parent cell will result in offspring with a) identical genetic information. b) half the genetic information. c) double the genetic information. d) four times the genetic information.
Answers: 1
Biology, 22.06.2019 06:30
Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food
Answers: 1
Biology, 22.06.2019 13:30
Which of these correctly describes the difference between processes that take place in prokaryotic and eukaryotic cells?
Answers: 1
Edward jenner discovered vaccinations. he found that some of the dairymaids who worked with cows had...
Mathematics, 04.08.2021 19:20
Mathematics, 04.08.2021 19:20
Mathematics, 04.08.2021 19:20
Social Studies, 04.08.2021 19:20
Business, 04.08.2021 19:20
English, 04.08.2021 19:20
Chemistry, 04.08.2021 19:20
Chemistry, 04.08.2021 19:30
Computers and Technology, 04.08.2021 19:30