During organ transplantation, the substances that can be recognized by the body's immune system are________
A. lipid
B. complexes of carbohydrates and proteins
C. deoxyribonucleic acid
D. protein
Answer:B
During organ transplantation, the substances that can be recognized by the body's immune system are________
A. lipid B. complexes of carbohydrates and proteins C. deoxyribonucleic acid D. protein