Chapter 16.1, Problem 4CYP

Summary Introduction

To determine:

The need of second messenger for peptide hormones.

Introduction:

The first messenger allows the release of another molecule called as second messengers. These are the intracellular signaling molecules and classified as endocrine, paracrine and juxtacrine. The physiological changes occur at a cellular level by the second messengers. These are the part of signal cascades.