According to recent studies, the human malaria parasite Plasmodium falciparum was introduced to humans by:
A. mosquitoes.
B. gorillas.
C. chimpanzees.
D. orangutans.
E. pocket gophers.
B
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Doctors test the ________ level in the urine to determine if someone has diabetes or not
a. solute b. potassium c. sodium d. sugar e. salt
Which of the following is a response of our innate defense system?
A) adaptive immunity B) inflammation C) cytotoxic T cell response D) helper T cell response
If a drug interferes with the activities of transfer RNA, which one of the following is likely to occur?
A. DNA will not be able to make copies of itself. B. Proteins will not be produced. C. Mutations will occur to the DNA. D. Messenger RNA will not be manufactured.
Edward Jenner was the physician who first used cowpox to vaccinate individuals against smallpox
Indicate whether the statement is true or false