Biology · Immune System
Human Leukocyte Antigens (HLA) are best described as:
- 1A group of proteins found on the surface of white blood cells and other cells✓
- 2Antibodies produced against self-antigens
- 3Components of the ABO blood group system
- 4Alleles involved exclusively in resistance to malaria
Correct answer
A group of proteins found on the surface of white blood cells and other cells
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