Which describes the action of a ligand's competitive antagonist?
A. It binds to a different binding site on the protein, altering the protein shape so that a ligand cannot bind.
B. When present, it increases the binding of a ligand to its receptor.
C. It decreases the amount of ligand required to activate the protein.
D. It blocks the binding of the ligand to its binding site and prevents activation of the protein.
Answer: D
You might also like to view...
Which of the following is most life threatening?
A) Ventricular flutter B) Atrial flutter C) Atrial fibrillation D) Ventricular fibrillation
The sperm's genetic information is located in the head of the sperm
Indicate whether the statement is true or false
All of the following pairs of arteries arise from the abdominal aorta EXCEPT the ________
A) gonadal arteries B) adrenal arteries C) renal arteries D) gastric artery
Match the vitamin with its associated disease.A. ScurvyB. Night blindnessC. BeriberiD. PellagraE. Pernicious anemiaVitamin B12
Fill in the blank(s) with the appropriate word(s).