Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 5 - Cells: The Working Units of Life - 5.3 - Eukaryotic Cells Contain Organelles - 5.3 Recap - Questions - Page 104: 2

Answer

Rough ER is studded with ribosomes on its exterior surface while the smooth ER lacks ribosomes. Both types of ER synthesize phospholipids, but membrane and secretory proteins are all generated from the ribosomes of the rough ER. Smooth ER has a variety of other functions, including detoxification, carbohydrate metabolism, and calcium ion storage.

Work Step by Step

Rough ER is studded with ribosomes on its exterior surface while the smooth ER lacks ribosomes. Both types of ER synthesize phospholipids, but membrane and secretory proteins are all generated from the ribosomes of the rough ER. Smooth ER has a variety of other functions, including detoxification, carbohydrate metabolism, and calcium ion storage.
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