Only non-self antigens can be immunogenic. Self antigens are normally recognized by the immune system as part of the host, so an immune response does not normally occur. Non-self antigens are immunogenic since they have the potential to cause an immune response.

Only non-self antigens can be immunogenic. Self antigens are normally recognized by the immune system as part of the host, so an immune response does not normally occur. Non-self antigens are immunogenic since they have the potential to cause an immune response.

For a substance to be immunogenic it must be:
A . A linear molecule
B. A lipid
C. Less than 5,000 molecular weight
D. Recognized as non-self
E. A haptene

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Answer: D