Multiple Choice
Specific transcription factorsــــــــــــــــــــــ .
A) modulate gene expression in response to a specific stimulus
B) are not able to enter the nucleus of eukaryotes and instead help regulate gene expression at the post-transcriptional level
C) bind to target mRNAs prior to translation
D) prevent RNA polymerase II from binding to the DNA
Correct Answer:
Verified
Correct Answer:
Verified
Q1: X-inactivation ــــــــــــــــــــــــ.<br>A)only occurs in males<br>B)is the deactivation
Q2: Which of the following is commonly used
Q4: Simple repressors are common in eukaryotes.
Q5: Xist isــــــــــــــــــــــــــ .<br>A)a gene encoding an untranslated
Q6: Housekeeping genes are always ــــــــــــــــــــــ.<br>A)off until needed<br>B)on<br>C)induced<br>D)repressed
Q7: Euchromatinـــــــــــــــــــــ .<br>A)is only found in prokaryotes<br>B)does not
Q8: Acetylated histonesــــــــــــــــــــــــ .<br>A)form highly condensed heterochromatin<br>B)are a
Q9: DNA sequences in eukaryotes that are rich
Q10: In eukaryotes,negative regulation occurs by ـــــــــــــــــــــــــــــ.<br>A)obstructing RNA