What is an enhancer?
What will be an ideal response?
Ans: An enhancer is a DNA sequence that is involved in the initiation of transcription of a gene. It may be found at a considerable distance from the transcription start point.
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The structure labeled "G" is the
a. aorta. b. pulmonary vein. c. pulmonary artery. d. inferior vena cava. e. superior vena cava
Allosteric inhibition generally results from ____
a. excess substrates b. binding of regulatory molecules at sites other than the active sites c. a change in the temperature of the system d. a lack of coenzymes e. changes in pH
Name the four types of nitrogen-containing bases in DNA. Which bases are complementary?
What will be an ideal response?
These vessels take the blood back most directly to the heart
A) arteries B) veins C) venules D) arterioles