What Does the Normal Protein That Is Encoded by the "Cystic

question 53

Multiple Choice

What does the normal protein that is encoded by the "cystic fibrosis" gene do?

• A) transports chloride ions across membranes
• B) delivers chloride ions to the endoplasmic reticulum
• C) binds chloride ions to DNA prior to gene expression
• D) binds chloride ions to bacteria so they are more easily recognized by white blood cells
• E) the normal protein does more than one of these things