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Of the three types of cell shapes found in epithelial tissues, which are the bes

ID: 31039 • Letter: O

Question

Of the three types of cell shapes found in epithelial tissues, which are the best at allowing active transport processes?
What structural aspect of this tissue makes it good at doing this?
What type of cell-surface characteristic helps an epithelial tissue reduce friction?

Thank you! Will choose best answer Of the three types of cell shapes found in epithelial tissues, which are the best at allowing active transport processes?
What structural aspect of this tissue makes it good at doing this?
What type of cell-surface characteristic helps an epithelial tissue reduce friction?

Thank you! Will choose best answer
What structural aspect of this tissue makes it good at doing this?
What type of cell-surface characteristic helps an epithelial tissue reduce friction?

Thank you! Will choose best answer

Explanation / Answer

1)

Epithelial Tissue is the lining of the various organs and it is composed of different epithelial cells like cuboidal, columnar, pseudo stratified and squamous cells. Epithelial tissue, which is present on intestinal lining, is the best at allowing active transport processes and it is called Simple Columnar Epithelium.

Columnar cells are often specialized for the secretion of mucus. Its varieties include simple, nonciliated simple, ciliated simple, pseudostratified, and stratified. For example, ciliated simple columnar epithelial cells (specialized goblet cells) secrete mucus.

2)

The free surface of the epithelial membrane involves in various functions such as absorption, secretion, movement, protection, etc. The presence of transport proteins like glucose-Na+ symports allows them for doing active transport.

3)

The free surface of the epithelial membrane either contains cilia on them or remains free without any cilia. The presence of cilia and mucus reduce the rate of friction.   

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