Site MapHelpFeedbackAnimation: Receptors Linked to a Channel Protein
Animation: Receptors Linked to a Channel Protein
(See related pages)

View the animation below, then complete the quiz to test your knowledge of the concept.






1When the acetylcholine receptor sites are not occupied...
A)a ligand is formed.
B)the sodium channels open.
C)the sodium channels remain closed.
D)sodium ions diffuse through and enter the cell.
E)sodium ions diffuse through and leave the cell.



2When the acetylcholine binds to the receptor sites...
A)a ligand is formed.
B)the sodium channels open.
C)the sodium channels remain closed.
D)sodium ions diffuse through and enter the cell.
E)sodium ions diffuse through and leave the cell.



3Which causes...
A)a ligand to be formed.
B)the sodium channels to open.
C)the sodium channels close.
D)sodium ions to diffuse through and enter the cell.
E)sodium ions to diffuse through and leave the cell.



4The sodium channels in the cell membrane have receptor sites for acetylcholine.
A)True
B)False



5This channel is formed by a channel protein.
A)True
B)False







McKinleyOnline Learning Center

Home > Chapter 2 > Animation: Receptors Linked to a Channel Protein