In eukaryotic cells, transcription cannot begin until _____
A) the two DNA strands have completely separated and exposed the promoter
B) several transcription factors have bound to the promoter
C) the caps are removed from the mRNA
D) the DNA introns are removed from the template
E) DNA nucleases have isolated the transcription unit
Answer: B
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cause the populations to become more different over time, a process called ____.
a. morphological deviation b. artificial selection c. goal orientation d. evolutionary divergence e. genetic modification
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________ muscle is the type of muscle primarily responsible for stomach contractions.
A. cardiac B. smooth C. skeletal
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