Fact 1: Antibodies are large, Y-shaped proteins that recognize and bind to antigens.

Fact 2: Allergens are also called Antigens.

Given the two facts above, answer the question "_ bind to allergens." with the following options: 
- to stay warm
 - mammals
 - fur and fat
 - animals
 - protect them
 - Most plants
 - Antibodies
 - Chemical energy


 

       Antibodies  