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 3.4 - The Nucleus and Endomembrane System - Check Your Progress: 2

Answer

The nucleus contains DNA which contains information for the production of specific proteins. Proteins are manufactured in ribosomes. Proteins manufactured in ribosomes attatched to the endoplasmic reticulum have a different destination from proteins manufactured in free-floating ribosomes. Proteins are modified and processed in the endoplasmic reticulum before being either incorporated into the membrane or exported.

Work Step by Step

The nucleus contains DNA which contains information for the production of specific proteins. Proteins are manufactured in ribosomes. Proteins manufactured in ribosomes attatched to the endoplasmic reticulum have a different destination from proteins manufactured in free-floating ribosomes. Proteins are modified and processed in the endoplasmic reticulum before being either incorporated into the membrane or exported.
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