Biology, 01.10.2019 01:00, coolvic345
By 1796 it had been observed that milk maids who had been exposed to cowpox did not succumb to the deadly plague of smallpox that was ravishing both europe and britain. from this observation, edward jenner was able to construct the world's first successful vaccine. which of the following statements best fits jenner's hypothesis that led him to his creation of the vaccine? a. if exposure to cowpox gives immunity to smallpox in milkmaids, then exposure to cowpox should give immunity to smallpox in other individuals as well. b. exposure to smallpox always gives immunity to cowpox. c. cowpox and smallpox are caused by the same microorganism. d. if milkmaids exposed to cowpox are immune to smallpox, then cowpox and smallpox are the same disease. e. if exposure to cowpox gives immunity to smallpox in milkmaids, then milkmaids have a natural immunity and their blood should be used to develop a smallpox vaccine.
Answers: 2
Biology, 22.06.2019 01:00, Tcareyoliver
Works together in the synthesis, modification, packaging, and transport of lipids and proteins
Answers: 1
Biology, 22.06.2019 05:00, kamnicole13
Idon’t know the answer and i’ve been stuck on it for a while now skskskskks
Answers: 2
Biology, 22.06.2019 08:00, cailinhannon4828
Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4
Answers: 2
By 1796 it had been observed that milk maids who had been exposed to cowpox did not succumb to the d...
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