4. Tissues & Histology
Characteristics of Epithelial Tissue
Multiple Choice
Multiple ChoiceThe epithelial tissue in the small intestine is specialized to absorb nutrients. Why would tight junctions be important in this function?
A
Tight junctions allow the cells to transmit ions between cells, allowing the cells of the epithelium to coordinate.
B
Tight junctions ensure all nutrients are absorbed through epithelial cells, allowing for selective permeabilty.
C
Tight junctions allow specific molecules such as nutrients to enter the cell more easily.
D
Tight junctions allow the epithelial cells to sense and recognize specific molecules.
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