The molecules from which steroid hormones derived have to be given. The physical property of steroid hormones different from the other hormones has to be explained. 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. 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. Polypeptides: Polypeptides are organic polymers having several amino acids attached to each other in a chain. 3. Steroid: Steroids are a type of organic compound having a molecular structure with four rings connected to each other. A steroid which is a class of hormones derives from cholesterol molecule and is insoluble in water.

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Chapter 28, Problem 28.49AP

Interpretation Introduction

Interpretation:

The molecules from which steroid hormones derived have to be given. The physical property of steroid hormones different from the other hormones has to be explained.

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. 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. Polypeptides: Polypeptides are organic polymers having several amino acids attached to each other in a chain.

3. Steroid: Steroids are a type of organic compound having a molecular structure with four rings connected to each other.

A steroid which is a class of hormones derives from cholesterol molecule and is insoluble in water.

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