Which of the following statements is TRUE about the ion chan…
Which of the following statements is TRUE about the ion channel controlled by the nicotinic receptor? a. Each protein subunit of the ion channel contains three hydrophobic regions which traverse the cell membrane.b. Two of the protein subunits are identical (the alpha-subunits).c. The binding site for the nicotinic receptor is located only on the alpha-subunit which means that there are two binding sites per ion channel.d. Each protein subunit of the ion channel has a lengthy N-terminal intracellular chain.