A blue dye blinds to protin and changes colour.
        
             
        
        
        
Answer:
The development of refrigeration and frozen-food technology has benefited society in the following ways. 
1) Refrigerator helps the people to protect the food substance from the infection of microorganisms such as bacteria and fungi. 
2) Refrigerator helps in increasing the shelf life of many food materials. Some food substance have very short shelf life which can be increased by placing in the refrigerator. 
Chicken sausages, nuggets and meat boll are the products that developed because of frozen -food technology. 
 
        
             
        
        
        
Answer: the capsation (the chemical that causes the hot, burning taste/sensation) causes pain and discomfort in the animal attemptng to eat the plant therefor protecting it.