The cell-cell interactions mediated by the selectins, integrins, and most members of the Ig superfamily are _______ interactions in which the cytoskeletons of adjacent cells are not linked to one another.
a. nonspecific
b. physiologically unimportant
c. stable
d. transient
Ans: d. transient
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Improperly functioning acyl carrier proteins (ACPs) would likely result in
A) a physiological shift to anaerobic metabolism where an energized membrane is less important for energy production. B) enhanced growth of a bacterium due to faster growth substrate uptake by a weakened membrane. C) no harm to bacteria, because only archaeons and eukaryotes use ACPs for fatty acid biosynthesis. D) death for a bacterium due to poor lipid bilayer integrity.
A ________ is a specific segment of DNA that codes for the production of one functional product.
A. operator B. exon C. intron D. triplet E. gene
Touching your chin to your chest is an example of ____________________. Fill in the blank(s) with the appropriate word(s)
Despite their diverse genome structures, viruses follow the central dogma of molecular biology
In order to undergo all processes within the viral replication cycle (e.g., replication, transcription, translation), what is the source that supplies all the necessary proteins and cellular machinery?