Generally, which phase of the cell cycle varies the most in length?
a. G1
b. S
c. G2
d. M
e. All phases are the same length among cells
ANSWER: a
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Transposition is a(n)
A) homologous recombination event. B) analogous recombination event. C) site-specific recombination event. D) general recombination event.
Without _____, humans might have a tail
a. differentiation b. epigenetics c. cell migrations d. apoptosis e. the maternal gene effect
What proteins bind to silencer sequences, forming a protein "bridge" that bends the DNA over the promoter and prevents transcription?
What will be an ideal response?
Which one of the following statements is TRUE regarding rural poverty?
A) Less than 25% of the world's population lives in rural poverty. B) The problems of land use in rural areas are similar to those in cities. C) Those in impoverished rural communities will often cut down all trees for fuel and shelter. D) The use of communal lands in impoverished rural areas is carefully monitored. E) Few individuals living in rural areas depend on the local environment for sustenance.