Where exactly does an antigen bind to an antibody molecule? a. Heavy-chain constant region b. Heavy-chain variable region c. Light-chain constant region d. Light-chain variable region Which of the...

Where exactly does an antigen bind to an antibody molecule?

a. Heavy-chain constant region

b. Heavy-chain variable region

c. Light-chain constant region

d. Light-chain variable region

Which of the following antibody capabilities causes a transfusion reaction with A or B erythrocyte antigens?

a. Neutralization

b. Precipitation

c. Complement fixation

d. Agglutination