Enhancers can be identified by.
a. cloning a region of DNA with the putative enhancer in a reporter plasmid and demonstrating an increase in gene expression when the construct is introduced into a eukaryotic cell.
b. sequence comparison with promoter sequences that are already known.
c. introducing two separate pieces of DNA into a eukaryotic cell. One is a fragment of DNA with the putative enhancer and the other is a plasmid that contains a reporter gene.
d. cloning the putative enhancer into a plasmid and measuring the level of reporter gene expression in a prokaryotic cell.
Answer: a. cloning a region of DNA with the putative enhancer in a reporter plasmid and demonstrating an increase in gene expression when the construct is introduced into a eukaryotic cell.
You might also like to view...
After the Krebs reactions run through _____ cycle(s), one glucose molecule has been completely broken down to CO2
a. one c. three b. two d. six
Hormones are distributed throughout the body
by
a. the urinary system. b. the lymphatic system. c. the nervous system. d. the circulatory system. e. more than one of these systems
As the trees in England become less sooty due to pollution controls on factories, which of the moths in the
accompanying figure will be selected against? a. The dark moth on the dark tree b. The light moth on the light tree c. All of the light moths equally d. The dark moth on the light tree e. All of the dark moths equally
What enzyme is released by the stomach to digest protein?
What will be an ideal response?