Multiple Choice
Adding acetyl and methyl groups to a histone regulates gene expression by _________________.
A) increasing the pH of the cell
B) loosening the DNA wound around the histone
C) modifying the nucleotides of the promoter region of the DNA molecule
D) tightening the DNA wound around the histone
E) enhancing the development of a DNA-RNA hybrid
Correct Answer:
Verified
Correct Answer:
Verified
Q26: X chromosome inactivation results in the _.
Q27: The promotion of the lac operon in
Q28: A mammalian female's _. <br>A) cells usually
Q29: Choose the one most appropriate answer for
Q30: Homeotic genes generally control _. <br>A) X
Q32: As cell lineages use varying subsets of
Q33: Classification. Choose the proper item below for
Q34: Which statement about promoters is true? <br>A)
Q35: In the ABC model of flower development
Q36: The following compounds are produced by plants