DNA sequences in eukaryotes that are rich in guanine and cytosine are calledــــــــــــــــ and are usually targets ofـــــــــــ .
A) inteins;acetylation
B) GC islands;methylation
C) promoters;transcriptional regulation
D) enhancers;mediator binding
Correct Answer:
Verified
Q1: Xist isــــــــــــــــــــــــــ .
A)a gene encoding an untranslated
Q2: Which of the following is commonly used
Q3: Simple repressors are common in eukaryotes.
Q4: In eukaryotes,negative regulation occurs by ـــــــــــــــــــــــــــــ.
A)obstructing RNA
Q5: X-inactivation ــــــــــــــــــــــــ.
A)only occurs in males
B)is the deactivation
Q6: Euchromatinـــــــــــــــــــــ .
A)is only found in prokaryotes
B)does not
Q7: Specific transcription factorsــــــــــــــــــــــ .
A)modulate gene expression in
Q8: Housekeeping genes are always ــــــــــــــــــــــ.
A)off until needed
B)on
C)induced
D)repressed
Q9: Acetylated histonesــــــــــــــــــــــــ .
A)form highly condensed heterochromatin
B)are a
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