Channel Proteins Allow Ions That Would Not Normally Pass Through

question 106

Multiple Choice

Channel proteins allow ions that would not normally pass through the cell membrane to pass through via the channel. What property of the channel proteins is responsible for this?

• A) A pore of polar amino acid groups
• B) A pore of hydrophobic amino acid groups
• C) A pore of Ca²⁺
• D) All of the above
• E) None of the above

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