Any chemical substance that alters: the function of one or more body organs is called:

A flower that lacks one or more organs is called

A chemical or physical change that alters the sequence of bases in DNA molecule is called .............. .

A chemical substance which radiues the temperature of body in fever is

The chemical substances which prevent the allergic reactions in body are called ..............

The chemical substances which prevent the allergic reactions in body are called ..............

The chemical substances that raise the pH value of stomach are called as _______.

The chemical substances that raise the pH value of stomach are called as _______.

The substance which decreases the rate of a chemical reaction is called :