Hormones can be classified based on their chemical structure into three main types:

1. Peptide Hormones: These are made up of chains of amino acids and are water-soluble. They cannot pass through the cell membrane, so they bind to receptors on the cell surface. Examples include insulin and growth hormone.

2. Steroid Hormones: These are derived from cholesterol and are fat-soluble. They can pass through the cell membrane and bind to receptors inside the cell. Examples include estrogen and testosterone.

3. Amino Acid Derivative Hormones: These are derived from a single amino acid, either tyrosine or tryptophan. They can be either water-soluble or fat-soluble. Examples include adrenaline (water-soluble) and thyroid hormones (fat-soluble).

Each of these types of hormones has a different mechanism of action due to their different chemical structures.

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Hormones can be classified based on their chemical structure into three main types:

1. Peptide Hormones: These are made up of chains of amino acids and are water-soluble. They cannot pass through the cell membrane, so they bind to receptors on the cell surface. Examples include insulin and growth hormone.

2. Steroid Hormones: These are derived from cholesterol and are fat-soluble. They can pass through the cell membrane and bind to receptors inside the cell. Examples include estrogen and testosterone.

3. Amino Acid Derivative Hormones: These are derived from a single amino acid, either tyrosine or tryptophan. They can be either water-soluble or fat-soluble. Examples include adrenaline (water-soluble) and thyroid hormones (fat-soluble).

Each of these types of hormones has a different mechanism of action due to their different chemical structures.

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Hormones can be classified based on their chemical structure into three main types:

1. Peptide Hormones: These are made up of chains of amino acids and are water-soluble. They cannot pass through the cell membrane, so they bind to receptors on the cell surface. Examples include insulin and growth hormone.

2. Steroid Hormones: These are derived from cholesterol and are fat-soluble. They can pass through the cell membrane and bind to receptors inside the cell. Examples include estrogen and testosterone.

3. Amino Acid Derivative Hormones: These are derived from a single amino acid, either tyrosine or tryptophan. They can be either water-soluble or fat-soluble. Examples include adrenaline (water-soluble) and thyroid hormones (fat-soluble).

Each of these types of hormones has a different mechanism of action due to their different chemical structures.

Classification of Hormones

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