- Books Name
- ACME SMART COACHING Chemistry Book
- Publication
- ACME SMART PUBLICATION
- Course
- CBSE Class 12
- Subject
- Chemistry
Types of chemical messengers
There are two types of chemical messengers :
- Hormones
- Neurotransmitters.
(i) Hormones :
Classification of hormones : Based on their chemical structure ; hormones fall into three classes.
Steroid hormones :
Peptide hormones :
Amine hormones :
Those which are neither steroids nor peptides. These are water soluble amine compounds.
(ii) Neurotransmitters :
*Nerves transfer message through neurotransmitters.
*There are small molecules such as acetyl choline, dopamine and serotonin.