In order for a spontaneous mutation to enter the general population, it must occur
A. in a female.
B. after reproduction.
C. in the gonads.
D. before the individual becomes sexually mature.
C. in the gonads.
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The onset of a given epidemic is indicated by a sharp rise in the number of cases reported daily over a brief interval. This indicates that the mode of transmission is
A) host to host. B) a common source. C) insect vector. D) mechanical vector.
Angina is caused by ischemia. Therefore, angina is often treated with:
What will be an ideal response?
You have identified a novel cytoplasmic protein. Through sequence analysis you are able to identify the presence of a number of serine/threonine phosphorylation motifs. Based on these data, you hypothesize that this protein may be a substrate for what kind of enzyme?
A. A phospholipase B. A receptor tyrosine kinase C. A G protein-coupled receptor D. A protein kinase E. A tyrosine phosphatase
The genome of influenza virus is
A. multiple pieces of linear dsDNA. B. a single circular ssRNA. C. a single linear dsRNA. D. a single circular ssDNA. E. multiple pieces of linear ssRNA.