Chapter 10.2, Problem 2CC

Summary Introduction

To determine: The result to be expected if a rat was fed lanthanum and then a sample of a cell layer in the digestive tract was observed under an electron microscope.

Introduction: In a multicellular organism, cells are linked to each other by specialized structures called cell junctions. Three types of junctions are found between cells in animals namely anchoring junctions, tight junctions and gap junctions.