Question 1

Adding acetyl groups to a histone regulates gene expression by allowing transcription to proceed by

Accepted Answer

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)  ​enhancing the activity of RNA polymerase. 
E)  ​enhancing the development of a DNA-RNA hybrid.

Question 2

The prokaryote operon model explains gene regulation at the level of

Accepted Answer

A)  ​replication. 
B)  ​transcription. 
C)  ​transcript processing. 
D)  ​transcript transport. 
E)  ​translation.

Question 3

The rate at which mRNA is processed by ribosomes is an example of

Accepted Answer

A)  ​transcriptional control. 
B)  ​transcript processing control. 
C)  ​transport control. 
D)  ​translational control. 
E)  ​post-translational control.

Exam 10: Gene Control

Adding acetyl groups to a histone regulates gene expression by allowing transcription to proceed by

The prokaryote operon model explains gene regulation at the level of

The rate at which mRNA is processed by ribosomes is an example of