Question

Write any three characteristics of hormones.

Answer 1

Hormones are secreted by endocrine cells. 
Hormones are chemical messengers.
The are chemical signals that circulate in the body fluids. 
The hormones regulate the behavior of the target cells. 
Hormones, unlike enzymes do not catalyze any reaction. 
They are secreted only when needed, they are not stored prior to requirement. 
Hormones may be proteinaceous or non-proteinaceous in nature (amino-acids or steroids). 
The secretion of hormones is regulated by the nervous system through the feed back effect. 
Hormones usually cause long term effects like change in behavior, growth, etc.
The hormones function is to stimulate or inhibit the target organs. 

Answer 2

Characteristics of hormones

Explanation:

• The  characteristics of hormones are:  

• The animal hormones are secreted by the glands referred to as endocrine glands. The endocrine glands are ductless glands.  

• . The animal hormones are secreted in small amounts.  

• Each hormone has its specific characteristics which it performs. The timing and the amount of hormone launched are regulated through a specific mechanism.

• The particular hormones act just on the objective organs.