Which of the following statements about the adenosine receptor is NOT true?
A) The receptor only binds adenosine.
B) When adenosine is bound, a signal is sent to the cell to slow activity.
C) The receptor is found embedded in the cell membrane of neurons.
D) It is involved in preparing the brain for sleep.
E) Its normal signaling is blocked when caffeine binds.

Question

Quizplus · Accepted Answer

The adenosine receptor can bind other ligands besides adenosine, such as caffeine, which acts as an antagonist. This means it does not exclusively bind adenosine.

Which of the Following Statements About the Adenosine Receptor Is