Which of the following is NOT related to inflammation?
A) nonspecific response to pathogens.
B) chemotaxis of immune cells toward the site of injury.
C) release of cytokines and chemokines.
D) increase of vascular permeability.
E) none of the above.
Ans: E) none of the above.
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How can the complementation test discriminate between two viruses that have a mutation in the same gene versus two viruses that have mutations in the same gene?
A. If the viruses have mutations in the same gene then, depending on the assay, a significant number of plaques will be produced or a significant number of plaques will have a wildtype phenotype. If the mutations are in the different genes few, if any, wild type plaques will be seen.. B. If the viruses have mutations in different genes then, depending on the assay, a significant number of plaques will be produced or a significant number of plaques will have a wildtype phenotype. If the mutations are in the same gene few, if any, wild type plaques will be seen C. If the mutations are in the same gene the complementation test will result in recombinant viruses that are wildtype but if the mutations are in different genes no recombinant viruses will be produced. D. If the mutations are in different genes the complementation test will result in recombinant viruses that are wildtype but if the mutations are in the same gene no recombinant viruses will be produced.
According to our text, the greatest single obstacle to sustainable development is
A) the lack of adequate, integrated political economic structures and systems. B) population growth. C) absurd reliance on fossil fuels. D) disruptive involvement of NGOs.
In flatworms, the action of ciliated __________
draws interstitial fluid into a system of tubes that delivers it to the body surface. Fill in the blank(s) with the appropriate word(s).
The process of reading an mRNA molecule and synthesizing the protein encoded in its nucleotide sequence is known as _________.
Fill in the blank(s) with the appropriate word(s).