Principles of Biology
Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 8.1, Problem 2CC
Summary Introduction

To determine:

Whether the paracrine or endocrine signal is likely to exist for a longer period of time with an explanation of the reason.

Introduction Principles of Biology, Chapter 8.1, Problem 2CC

Receptors can bind only with their specific molecules. So, message molecules are fit together with their receptors like a key in a lock. The importance of this linkage is that only those cells would respond to the signals that have the receptors for message molecules. The appropriate binding of the message molecule and receptors would initiate a chain of reactions in specific target cells that helps the cell to respond to the message.

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