Chapter 28, Problem 28.46AP

Interpretation Introduction

Interpretation:

The example for a polypeptide hormone and number of amino acid present in it has to be determined. The place where the polypeptide hormone releases and functions has to be determined and the result of hormone message in the body has to be determined.

Concept Introduction:

Hormones: Hormones are chemical messengers which are secreted by the cell in endocrine system and are transported along the blood to stimulate the target cells having the corresponding receptors.

Hormones are of three types,

1. 1. Amino acid derivatives: It is a derivative of an amino acid formed by the reaction at the side chain functional group, carboxylic acid group, amino group or by the replacement of a hydrogen atom by heteroatom.
2. 2. Polypeptides: Polypeptides are organic polymers having several amino acids attached to each other in a chain.
3. 3. Steroid: Steroids are a type of organic compound having a molecular structure with four rings connected to each other.