Immunity

Question 1

Draw an antibody

Answer 1

• disulphide bridges
• carbohydrate chain
• variable regions
• heavy and light polypeptide chain
• antigen binding sites

Question 2

What is the difference between active and passive immunity?

Answer 2

• active- exposed to antigen. Passive- not exposed to antigen
• active- produce memory cells. Passive- don’t produce memory cells
• active- produce antibodies in body. Passive- receive antibodies from external source