Answer:
Brainliest please
Explanation:
A confirmation test refers to a lab procedure conducted after an initial screen of a submitted sample (commonly urine, hair, blood, breath, or oral fluids) indicates positive results of drug metabolites in the system.
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).
Answer:conditionally essential amino acids
Explanation:conditionally essential amino acids can not be made by the body,you can get them from diet. It is use under pathophysiological condition such as premature in infant or individual in severe catabolic distress.
Answer: electron, proton, nucleus, atom
Explanation: