how-does-caffeines-structural-similarity-to-adenosine-allow-it-to-act-as-an-anta

Question

How does caffeine's structural similarity to adenosine allow it to act as an antagonist?

Accepted Answer

It binds to the adenosine receptor, blocking adenosine and preventing its normal effect.

Answer

It binds to the adenosine receptor and triggers the normal effect.

Answer

It degrades adenosine before it can bind to its receptor.

Answer

It enhances adenosine's binding to its receptor.