Modern humans evolved approximately ____ years ago
a. 65 million
b. 20 million
c. 1 million
d. 500,000
e. 100,000
E
Biology & Microbiology
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What signaling pathway commonly makes use of a G protein to transduce the signal?
A. Channel-linked receptor pathways B. Steroid hormone receptor pathways C. Receptor tyrosine kinase pathways
Biology & Microbiology
The bubonic plague epidemic that swept through Europe between 1348 and 1350 A.D. was induced by a(n)
A) virus. B) prion. C) protozoan. D) bacterium. E) unidentified eukaryotic organism.
Biology & Microbiology
The length of an STR is (shorter/longer) than an RFLP DNA fragment.
What will be an ideal response?
Biology & Microbiology
Organisms that grow in mud under relatively nonturbulent bodies of water are likely to be ________.
A. anaerobes B. thermophilic C. obligate aerobes D. barophilic
Biology & Microbiology