Archaebacteria are not harmed by? 1. Antibiotics
It Is The Melanoma Gene .
According to the Doppler effect, the sound of a police car siren is louder and high pitched as it approaches the observer.
The correct answer is their blood lacks A or B antibodies.
People with type AB blood have A and B antigenes on the surface of red blood cells (RBCs). Antigen AB has no antibodies, thus, transfusion can be considered safe ( the serum of the recipient does not contain antibodies for the blood cell antigens of the donor).
