Card 1 of 25
An antigen is a foreign [ ] that stimulates an [ ].
A
An antigen is a foreign protein that stimulates an immune response.
B
An antigen is a foreign nucleic acid that stimulates an inflammatory response.
C
An antigen is a foreign lipid that stimulates an hormonal response.
D
An antigen is a foreign carbohydrate that stimulates an enzyme response.
Card 1 of 25