The first true vaccine provided immunity to

A) anthrax.
B) cholera.
C) pertussis.
D) rabies.
E) smallpox.


E

Biology & Microbiology

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In seed plants, which develops into a female gametophyte?

a. megaspore b. microsporangium c. microspore d. megasporangium e. sporophyte

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What is the correct operational sequence of the three processes listed below? I. glycolysis II. electron transfer III. Krebs

a. I ? II ? III b. II ? I ? III c. III ? I ? II d. II ? III ? I e. I ? III ? II

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Referring to the above diagram of the brain, B

identifies which region?

a. hypothalamus b. thalamus c. cerebrum d. corpus callosum e. cerebellum

Biology & Microbiology

How many genes does the fruit fly Drosophila melanogaster have?

a. 4300 b. 6000 c. 14,000 d. 20,000-25,000

Biology & Microbiology