You are presented with the question "Antibodies are large, Y-shaped proteins designed to bind with what?" and the following answer choices: 
- heat or cold
 - Allergies
 - major threat to health
 - Veins and arteries.
 - foreign proteins
 - epidermis and dermis
 - harmful substances
 - wavelengths and photons

Now knowing that antibodies are large, Y-shaped proteins that recognize and bind to antigens and antibodies are designed to bind with foreign proteins, called antigens, choose the best answer.


 

     foreign proteins    