The Latin term for "dug up" is the root word for
A. protocell.
B. polymer.
C. microsphere.
D. paleontology.
E. fossil.
Ans: E. fossil.
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If all variation among individuals in a population is due to differing genotypes, heritability is ____, and the slope of the line used to measure it is ____
A. 100%; 0.5 B. 100%; 1 C. 50%; 0.5 D. 50%; 1 E. 0%; 0
Why do electron microscopes have the ability resolve such small objects?
a. Because electrons have a much shorter wavelength than the photons of visiblelight b. Because electrons have a much longer wavelength than the photons of visiblelight
The common cold can be transmitted through a virus left on a door handle by an infected person. This mode of transmission is classified as:
a. respiratory b. intestinal discharge c. fomite-borne d. open lessions
Which of the following does not cause a mutation?
A. evolution B. failure of DNA repair systems C. metabolic activity D. UV radiation E. replication errors