Human Biology, 14 Edition

Published by McGraw-Hill Education
ISBN 10: 1-25924-574-8
ISBN 13: 978-1-25924-574-9

Chapter 3 - Section 3.5 - The Cytoskeleton Cell Movement, and Cell Junctions - Check Your Progress: 3

Answer

The three kinds of junctions found in animal cells are adhesion junctions, tight junctions, and gap junctions. Adhesion junctions interconnect the cytoskeletons of two cells. These junctions are common in skin cells. Tight junctions connect plasma membrane proteins in a zipper-like function. These junctions are common in the digestive system and kidneys where fluids must be contained. Gap junctions serve as communication portals between cells by fusing channel proteins of the plasma membrane.

Work Step by Step

The three kinds of junctions found in animal cells are adhesion junctions, tight junctions, and gap junctions, Adhesion junctions interconnect the cytoskeletons of two cells. These junctions are common in skin cells. Tight junctions connect plasma membrane proteins in a zipper-like function. These junctions are common in the digestive system and kidneys where fluids must be contained. Gap junctions serve as communication portals between cells by fusing channel proteins of the plasma membrane.
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