Biology, 10.02.2020 03:55 remyboy1938
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?
The material contained antibodies that could destroy the smallpox pathogen.
The material contained pathogens that were similar to but weaker than the smallpox pathogen.
The material had oxygen that could help the cells of the body fight off smallpox infection.
The material contained a pathogen that could attack the smallpox pathogen.
Answers: 3
Biology, 22.06.2019 06:00
Monomers are the building blocks of larger molecules, called polymers. for example, proteins are composed of chains of amino acids that are linked together. cellulose is a polymer that makes up plant cell walls. cellulose is made from a chain of c6h10o5 molecules. which monomers are most likely used to produce cellulose? why?
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The picture shows a location in india that is very dry and arid. notice the tall mountains in the background; you can find high amounts of vegetation on the other side of the mountains. which statement is most likely true for this area?
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Omar paddles a canoe downstream at a rate of 5 mi/hr. the stream is flowing at a rate of 12 mi/hr. what is the actual velocity of the canoe? a: 5 mi/hr, downstream b: 7 mi/hr, downstream c: 12 mi/hr, downstream d: 17 mi/hr, downstream
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Edward Jenner discovered vaccinations. He found that some of the dairymaids who worked with cows had...
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