Answer:
a- pharmaceuticals
Explanation:
Pharmaceuticals is a demanding and challenging field which tests your knowledge of DNA technology and medicine because they are the ones making drugs for new diseases and such. Thus they need to know how to prepare those drugs to target certain cells or organelles and such and need to know how it will affect the human being and/or other living beings
Answer:
Hemoglobin I think
Explanation:
Hemoglobin molecule change the shape/conformation...
If there is no antigen the blood group is 0 !!
extra info ; if both antigen - AB