Which of the following domains share the most recent common ancestor?
a) archaea and eubacteria
b) eubacteria and eukarya
c) archaea and eukarya
d) None of the above: all three domains evolved from different ancestors.
e) None of the above: all three domains are equally related to each other.
Ans: c) archaea and eukarya
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The choanoflagellates are in the supergroup
A. Opisthokonta B. Rhizaria C. Amoebozoa D. Stramenopila E. Alveolata
When a population goes through a bottleneck,
a. genetic drift is likely to occur. b. mutation rates increase. c. extinction rates decrease. d. natural selection decreases in intensity. e. inbreeding decreases
In order to connect emotions to behavioral responses, the limbic system works intimately with the ____
a. brain stem b. thalamus c. occipital lobe d. cerebellum e. prefrontal cortex
Which procedure would you use to detect a nutritional mutation in microorganisms?
A) Visible inspection B) Replica plating C) Controlled crosses D) Isolation at high temperature E) Plating on antibiotic-containing medium