The Signaling Mechanism That Converts an Electrical Signal on the Surface

question 2

Multiple Choice

The signaling mechanism that converts an electrical signal on the surface of the cell to a Ca²⁺ signal inside the cell is which of the following?

• A) Ligand-gated channels (especially glutamate receptors)
• B) Ryanodine receptors
• C) IP₃ receptors
• D) Voltage-gated Ca²⁺ channels
• E) Calmodulin-dependent protein kinase

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