Antigens are
A) specific molecules, or parts of molecules, that the body recognizes as foreign.
B) proteins the body produces against invading substances.
C) cells that protect the body against invaders.
D) proteins on the surface of our cells to which pathogens attach.
E) enzymes secreted to destroy a pathogen's cell wall.

Question

Quizplus · Accepted Answer

Antigens are specific molecules or parts of molecules that the body recognizes as foreign and triggers an immune response against them. They can be found on the surface of pathogens, such as viruses and bacteria, as well as on cancer cells and transplanted organs.

Antigens Are