Essential Cell Biology (fifth Edition)
Essential Cell Biology (fifth Edition)
5th Edition
ISBN: 9780393680362
Author: ALBERTS, Bruce, Hopkin, Karen, Johnson -
Publisher: W. W. Norton & Company
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Chapter 16, Problem 22Q
Summary Introduction

To explain: The signaling mechanisms used by steroid hormone type nuclear receptor and ion channel coupled receptor are relatively simple have few components and possibility and mechanism of the amplification of their initial signal.

Concept introduction: Hormones are of two types, protein hormone and steroid hormones. Steroid hormones can actively diffuse across the plasma membrane as they possess hydrophobic property as well. The steroid hormones enter the nucleus with their receptor where they activate an activator and remove the repressor. The ion channel coupled receptor is present on both the plasma membrane and most of the membrane bound organelles.

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