Which of the following can pass through gap junctions?
A) cAMP and calcium ions
B) Insulin and calcium ions
C) cAMP and glucose
D) Insulin and glucose

Question

Quizplus · Accepted Answer

Gap junctions are small channels between cells that allow for direct communication and exchange of small molecules such as ions and second messengers like cAMP. Insulin and glucose are larger molecules that cannot pass through gap junctions.

Which of the Following Can Pass Through Gap Junctions