Concordance refers to the frequency with which members of a twin pair express a ________ trait
A) different B) mutated C) similar D) unrelated
Answer: C
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What sequences are not considered to be regulatory elements?
A. Enhancers B. Silencers C. Core promoters D. Cis-acting elements E. General transcription factors
The situation in which an active regulatory protein "turns off" gene expression is an example of
A) a mutation. B) positive control. C) negative control. D) constitutive gene elements. E) unique regulation.
The DNA polymerase proofreading mechanism maintains a low mutation rate in eukaryotic genes
Indicate whether the statement is true or false
Which one of the following does NOT apply to RNA?
A. It is a single strand. B. It contains the base uracil. C. The sugar is deoxyribose. D. It is involved in translation and transcription.