True or False: Humans are dead-end hosts for the West Nile virus, because they do NOT develop the viremia necessary to infect mosquitoes
a. TRUE
b. FALSE
Answer: A
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If an action potential persists for one minute or longer, an increase in the strength of synaptic connections develops
Which term describes the resulting establishment of memory between two neurons?
a. lateralization b. consciousness potentiation c. long-term potentiation d. long-term association e. cephalization association
All of the following are model organisms, except
A) Saccharomyces cerevisiae. B) Drosophila melanogaster. C) Caenorhabditis elegans. D) Arabidopsis thialana. E) Homo sapiens.
In which part of the ribosome is the growing polypeptide chain positioned during translation?
a. in the P site b. in the small subunit c. in the A site d. in the E site
Assume that you have cut ? DNA with the restriction enzyme HindIII. You separate the fragments on an agarose gel and stain the DNA with ethidium bromide. You notice that the intensity of the stain is less in the bands that have migrated closer to the
"+" pole. Give an explanation for this finding. What will be an ideal response?