Ready to test your Knowledge?
Try out our new practice tests completely free!
exam preparation banner icon

Biochemistry Study Set 8

Chemistry

Quiz 23 :

Gene Regulation

Quiz 23 :

Gene Regulation

search
arrow
The phrase trans-acting factors is short for __________ factor protein.
Free
Multiple Choice
Answer:

Answer:

B

arrow
-Helices are usually found in DNA binding proteins because they
Free
Multiple Choice
Answer:

Answer:

C

arrow
What kind of control mechanism is ligand-induced binding of an activator protein?
Free
Multiple Choice
Answer:

Answer:

A

arrow
Which of the following best describes how trans- and cis-acting factors operate?
Multiple Choice
Answer:
arrow
In a leucine zipper, the leucine resides are found every seventh amino residue. This forces the supersecondary structure to be a(n)
Multiple Choice
Answer:
arrow
A protein that has a weak affinity for a DNA site and is at concentrations of protein will bind to DNA _.
Multiple Choice
Answer:
arrow
What by-product can be measured for in a cell if lacZ is being used as a reporter gene?
Multiple Choice
Answer:
arrow
IPTG causes the lac promoter to
Multiple Choice
Answer:
arrow
Which of the following is NOT a common mechanism for modifying transcription factor activity?
Multiple Choice
Answer:
arrow
The figure below shows autoregulation and will . img
Multiple Choice
Answer:
arrow
The best description of how allosteric regulation works is that a ligand the transcriptional regulatory protein, which __________ the protein's affinity for DNA.
Multiple Choice
Answer:
arrow
The control point for most gene regulation occurs at the initiation of
Multiple Choice
Answer:
arrow
In negative autoregulation,
Multiple Choice
Answer:
arrow
In cooperative DNA binding, the binding of
Multiple Choice
Answer:
arrow
When IPTG is added to a cell, what is the predicted outcome?
Multiple Choice
Answer:
arrow
When running an assay for luciferase, what reporter gene has been inserted into the plasmid?
Multiple Choice
Answer:
arrow
One of the most common binding interactions between proteins and DNA are __________ bonds.
Multiple Choice
Answer:
arrow
Which of the following best describes when a pattern of gene expression is altered without change in the DNA sequence?
Multiple Choice
Answer:
arrow
A reporter gene can be defined as a gene that
Multiple Choice
Answer:
arrow
A helix-turn-helix motif can best be described as a(n) followed by a(n) .
Multiple Choice
Answer:
Showing 1 - 20 of 100