Experiments like those performed by Stanley
Miller in the 1850s demonstrated
a. that DNA forms readily and produces itself.
b. that organic compounds required for life
can form under artificial conditions.
c. that prokaryotic cells can form under
artificial conditions.
d. that meteorites contain the building blocks
of life.
e. that reactions in hydrothermal vents
synthesis organic molecules
B
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For which of the following diseases would animal models likely yield the most information?
a. alcoholism b. schizophrenia c. bipolar disorder d. Huntington disease e. nicotine addition
Luminescence
A. is catalyzed by luciferase. B. may be controlled by quorum sensing. C. may be produced by bacteria. D. All of the choices are correct.
Which piece of equipment is routinely used for the decontamination of infectious laboratory waste?
trash compactor incinerator centriguge steam autoclave
Punctuated equilibrium proposed by Eldredge and Gould in 1972 is an evolutionary process that involves
A. gradual change observable in the fossil record with very little, if any, stasis. B. gradual change observable in the fossil record followed by periods of no change at all. C. "spurts" of change observable in the fossil record with very little if any stasis. D. gradual change observable in the fossil record followed by periods of stasis. E. "spurts" of change observable in the fossil record followed by periods of stasis.