Once a branch point occurs, do both the branches evolve?
What will be an ideal response?
one, both, or neither
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The presence of ________ in the microenvironment of cancer cells acts a potent inhibitor of cell proliferation.
A) IL-1 B) TGF-beta C) TNF-alpha D) IL-2 E) INF-gamma
Enzymes
a. control the speed of a reaction. b. change shapes to facilitate certain reactions. c. may place physical stress on the bonds of the substrate. d. may require cofactors. e. do all of these.
In the creation of a DNA profile, what type of DNA is used?
A. Microsatellites D. Transposons B. Short tandem repeats E. Fragment length polymorphisms C. Introns
Choose the alignment(s) which are the most parsimonious for the following DNA sequences: GCACCCTATGCA CCACCTTTAAGGCA
a) G-CACCCT--ATG-CA -CCACC-TTTAAGGCA b) GCACCCTAT---GCA CCACC-TTTAAGGCA c) G-CACCC--TAT-GCA -CCACCTTTAAGGCA d) GCACCC--TATGCA CCACCTTTAAGGCA