Pathogen-associated molecular patterns (PAMPs) are:
a. nonself cues
b. antibodies
c. complement proteins
d. surface proteins on white blood cells
e. antigen receptors
a
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The molecular mechanism that produces genomic imprinting by inactivating an allele involves ____ of
DNA in the allele that will not be expressed.
a. methylation b. mutation c. ligation d. deletion e. inversion
Africanized honeybees, also called killer bees, are a concern in the Southwest. They differ from European honeybees ________
a. all of the choices b. in that their venom is 5 to 10 times more potent c. in that they respond more aggressively to their alarm pheromone d. by stinging their target multiple times rather than just once
The ratio of the productivity of one trophic level over what its organisms consume is known as
A) consumption efficiency. B) trophic efficiency. C) food chain efficiency. D) detrital efficiency.
You are classifying an organism and trying to determine to which domain it belongs. The organism is unicellular and was isolated from a very unusual environment. This organism probably belongs in which domain?
A) Eukarya B) Bacteria C) Archaea D) None of the domains above is correct.