The following image shows a ligand-gated calcium channel. What is the primary function of this type of channel?

Question

Answer

It blocks the entry of calcium ions into the cell.

Answer

It pumps calcium ions out of the cell using ATP.

Answer

It transports calcium ions against their concentration gradient.

Answer

It allows calcium ions to diffuse freely across the membrane.

Answer

It allows calcium ions to enter the cell in response to a specific ligand binding.

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