The scientist who introduced a vaccination procedure for smallpox was

A. Hooke
B. Jenner
C. Pasteur
D. Koch
E. Lister


Ans: B. Jenner

Biology & Microbiology

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In the figure 6 to the right, the competitor arrives in 1982. The finch population responds to drought in the presence of a competitor by

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What is the site of protein synthesis in the cell?

A) Smooth endoplasmic reticulum B) Ribosome C) Nucleolus D) Nucleus E) Eukaryotic chromosome

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Behavior modification is a technique used in psychological therapy to promote desirable changes in behavior.

a. true b. false

Biology & Microbiology

DTC genetic tests are (select all that apply):

A. regulated by the federal government. B. based on stringent scientific evidence for the relationship between particular genes and disease. C. accompanied by consultation with medical professionals who help consumers understand the results of their tests. D. problematic because the link between genotype and risk may be exaggerated for marketing purposes. E. None of the above.

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