During transcription a(n) ________ can bind to a(n) ________ and increase the speed of the process
a. activator, repressor
b. promoter, activator
c. activator, transcription factor
d. transcription factor, repressor
e. activator, promoter
e
You might also like to view...
Protein A has a strong affinity for
A) antigen. B) blood. C) protein. D) antibody.
Modern cells are thought to have arisen from
a. protocells. b. pre-cells. c. gas and dust clouds. d. prokaryotic cells that predated protocells. e. prokaryotic cells that predated pre-cells.
In the internal leaf structure shown above, the item labeled "2" is
a. a vascular bundle. b. spongy mesophyll. c. epidermis. d. a stoma. e. palisade mesophyll.
The competitive exclusion principle assumes that the
A) competing species have different resource requirements. B) competing species have the same carrying capacity (K). C) environmental conditions remain constant. D) superior competing species will have a lower population growth rate than the inferior competitor.