Answer
D
Work Step by Step
Haptens are small molecules ( hormones or peptides) that, by themselves, are not immunogenic. However, if they react with a large molecule (protein), they can elicit an immune response.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.