Many transcription regulators bind to the DNA helix as a ______. Such dimerization roughly doubles the area of contact with the DNA, thereby greatly increasing the potential strength and specificity of the protein–DNA interaction.
A.
mono mer
B.
dimer
C.
trimer
D.
pentamer
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【单选题】Which of the following parties in Scotland still wants an independent Scotland?
【简答题】A.She always has a flashlight readily available. B.She is willing to lend the man her flashlight. C.She always misplaces his flashlight. D.She is looking for the flashlight in his car.