Which of the following ions can pass through the open channel of the acetylcholine receptor?

Name: Which of the following ions can pass through the open channel of the acetylcholine receptor?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The acetylcholine receptor is permeable to cations such as potassium (K+), sodium (Na+), and calcium (Ca2+). The ion listed in option A (Ca²⁺) is not a valid ion and cannot pass through the ion channel. Therefore, the correct answer is option B (K⁺), which is potassium ion (K+).

Which of the Following Ions Can Pass Through the Open