Which of the following nonspecific mediators inhibits virus replication and cellular division while increasing some lymphocyte action?
A. chemokines
B. TNF
C. IFN
D. IL-6
E. IL-1
Answer: C
Biology & Microbiology
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Which of the following pathways does not require DNA ligase?
A. gap repair B. fork regression and resolution of a stalled replication fork C. synthesis-dependent strand annealing D. double-strand break repair E. All of the pathways given require DNA ligase.
Biology & Microbiology
In McClintock's maize studies, which genetic element is found at the site of chromosome breakage?
What will be an ideal response?
Biology & Microbiology
In the Watson and Crick model of DNA, the "steps" of the ladder are composed of
A. a purine and a pyrimidine. B. a sugar and a phosphate molecule. C. two purines. D. two pyrimidines. E. sugars.
Biology & Microbiology
Name two processes (not stages) that happen in meiosis, that do not occur in mitosis
What will be an ideal response?
Biology & Microbiology