The persistence of malaria and sickle-cell anemia in a population is a case of _____
a. bottlenecking
b. balanced polymorphism
c. natural selection
d. artificial selection
e. balanced polymorphism and natural selection
E
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During which state of the cell cycle would a cell contain the least total amount of DNA? What will be an ideal response?
What is the role of memory cells?
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Which term is used in treatment of tumors with radiation?
a. steroid b. antibiotic c. antimetabolite d. liner accelerator e. plant alkaloid