Which of the following statements about adhesion molecules is FALSE?
A)Cadherins and pectins are both transmembrane proteins.
B)Cadherins and integrins provide the molecular mechanisms for adhesion in animals, but not plants.
C)Cadherins cause adjacent epithelial cells to adhere to one another.
D)Integrins bind epithelial cells to the extracellular matrix.
E)Pectins are found in plant tissues, but not animal tissues.

Question

Quizplus · Accepted Answer

Cadherins and integrins are indeed transmembrane proteins involved in cell adhesion, but pectins are not transmembrane proteins; they are polysaccharides found in the cell walls of plants and are involved in cell adhesion in plants, not as transmembrane proteins.

Which of the Following Statements About Adhesion Molecules Is FALSE