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?
a. the material contained antibodies that could destroy the smallpox pathogen.
b. the material contained pathogens that were similar to but weaker than the smallpox pathogen.
c. the material had oxygen that could the cells of the body fight off smallpox infection.
d. the material contained a pathogen that could attack the smallpox pathogen.
Answers: 2
Biology, 22.06.2019 01:30
What are the doorways into and out of cells, attached to the membrane, and built in the rough er.
Answers: 2
Biology, 22.06.2019 05:30
Most crimes involve some evidence relating to the human body; for that reason, what related science is frequently used in forensic investigations? a)psychiatry b)physics c)botany d)biology
Answers: 1
Biology, 22.06.2019 08:00
Which is the function of the hypothalamus in thermoregulation? answers: -sensor -effector -stimulus -intergrating center it's either a or c i believe
Answers: 1
Edward jenner discovered vaccinations. he found that some of the dairymaids who worked with cows had...
Biology, 31.08.2019 17:30
History, 31.08.2019 17:30
History, 31.08.2019 17:30
Mathematics, 31.08.2019 17:30
Biology, 31.08.2019 17:30
Mathematics, 31.08.2019 17:30
English, 31.08.2019 17:30
Mathematics, 31.08.2019 17:30
History, 31.08.2019 17:30
Social Studies, 31.08.2019 17:30
History, 31.08.2019 17:30
Advanced Placement (AP), 31.08.2019 17:30
Mathematics, 31.08.2019 17:30
Mathematics, 31.08.2019 17:30