subject
Biology, 21.04.2020 00:52 brea2006

One of the major contributors to our understanding of vaccination was Edward Jenner.
What is Jenner’s contribution to the development of vaccinations? Choose the statement that best describes the work of Edward Jenner.

a) He was the first person to demonstrate that it was possible to make a vaccine against a bacterial infection.
b) He discovered the process of passive immunization--the transfer of protective antibodies to an individual.
c) Jenner developed the process of variolation, whereby he infected people with ground smallpox scabs to protect them from smallpox.
d) He demonstrated that inoculating people with crusts from cowpox lesions protected them from smallpox infection.

ansver
Answers: 3

Another question on Biology

question
Biology, 22.06.2019 01:30
Deer cave cannot support photosynthesis is as not enough sunlight is present. in spite of this, it still has a complex food chain. what is the energy foundation of this food chain?
Answers: 1
question
Biology, 22.06.2019 03:30
Which statement best describes a typical difference that could be found between the "analysis" and "conclusion" sections of a lab report? a) only the "conclusion" describes errors that occurred during the experiment, and only the "analysis" section suggests further research.b) only the "analysis" section includes specific data comparisons, and only the "conclusion" section suggests further research.c) only the "analysis" section discusses whether the original hypothesis was supported, and both sections include graphs of data.d) only the "conclusion section discusses whether the original hypothesis was supported, and both sections suggest further research.(the answer is b i just took the test)
Answers: 1
question
Biology, 22.06.2019 05:30
What in scientific term why the salty popcorn causes this thirst
Answers: 1
question
Biology, 22.06.2019 11:00
Examine the air pressure map. which type of line is shown on the map?
Answers: 1
You know the right answer?
One of the major contributors to our understanding of vaccination was Edward Jenner.
What is...
Questions
question
Social Studies, 13.09.2019 00:30
question
Mathematics, 13.09.2019 00:30
Questions on the website: 13722360