The "father of epidemiology" is:

a. hippocrates
b. edward jenner
c. john snow
d. john grault


Ans: a. hippocrates

Biology & Microbiology

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In humans and other mammals, X inactivation takes place:

A. early in development, with each new cell inheriting the same inactivated X chromosome as its parent cell. B. late in development, with each new cell inheriting the same inactivated X chromosome as its parent cell. C. throughout the lifetime of an organismâ€"with each new cell division, both X chromosomes are activated, and one is then inactivated in each new cell. D. early in development, with all maternal X chromosomes being inactivated and cells maintaining active copies of only the paternal X chromosome. E. early in development, with all paternal X chromosomes being inactivated and cells maintaining active copies of only the maternal X chromosome.

Biology & Microbiology

If a drug binds irreversibly to a postsynaptic receptor to prevent the binding of an excitatory neurotransmitter, what is

the most likely result?

a. an increased number of IPSPs b. an increased number of EPSPs c. a prolonged hyperpolarization d. a decreased number of IPSPs e. a decreased number of EPSPs

Biology & Microbiology

While working in the lab, you observe that the only problem within a group of cells is that the cholesterol, lipid, and estrogen production rates have begun to decline. Which organelle would most likely be damaged?

Biology & Microbiology

Currently, the human population of the world 

A. has reached its carrying capacity. B. is stable. C. is declining in much of the world. D. is increasing rapidly.

Biology & Microbiology