Post Utme Joseph Ayo Babalola University 2018 Biology Question 4

Practice objective / multiple choice question 4 from the 2018 Post Utme Joseph Ayo Babalola University Biology examination.

Post Utme Joseph Ayo Babalola University 2018 Biology Objective / Multiple Choice
Question 4 POST_UTME_JOSEPH_AYO_BABALOLA_UNIVERSITY • 2018 • BIOLOGY • objective

A patient with a rare genetic disorder has a mutation in the gene encoding the protein cystic fibrosis transmembrane conduc\tance regulator (CFTR). Which of the following statements best describes the relationship between CFTR and the regulation of chloride ion transport across epithelial cell membranes?

Answer Options

Correct Answer A. CFTR is a chloride channel that regulates the transport of chloride ions across epithelial cell membranes
B. CFTR is a regulatory subunit of the epithelial sodium channel and inhibits its activity
C. CFTR is a structural component of the tight junctions between epithelial cells and provides mechanical stability
D. CFTR is a signaling molecule that interacts with the epithelial sodium channel to regulate sodium ion transport
Correct Answer
A
Correct Option:
CFTR is a chloride channel that regulates the transport of chloride ions across epithelial cell membranes

About This Question

This is Post Utme Joseph Ayo Babalola University 2018 Biology Question 4. It is one of the objective questions from the 2018 Post Utme Joseph Ayo Babalola University Biology examination.

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