Answer:
(B) agglutination with anti-A antibodies.
Explanation:
ABO blood type is based on two types of antigens: A and B antigens. The anti-A antibodies react with antigen A while anti-B antibodies react with antigen B.
Blood type A has antigen A on the surface of its red blood cells and anti B antibodies in its plasma. Due to the presence of antigen A on its red blood cells, the blood type A shows agglutination with anti A antibodies.
Answer:
Species are adapted to their environments. By understanding the interactions within an ecosystem, scientists can develop an understand of how populations evolve (develop gradually) in response to their environment.
Molecular biotechnology is basically the study and alteration of nucleic acids and proteins in living organisms for various applications. It encompasses the different scientific fields of genetics, engineering, chemistry, microbiology, etc. Because of this, all of the given choices are methods of molecular biotechnology EXCEPT DNA profiling.