Question detail
What is the role of monoclonal antibodies in pregnancy tests?
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Question
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exam_style
Style
Topic
Monoclonal antibodies (biology only) (HT only)
Question
What is the role of monoclonal antibodies in pregnancy tests?
Answer
Monoclonal antibodies in pregnancy tests are designed to specifically bind to the hormone human chorionic gonadotropin (hCG), which is produced during pregnancy. When a urine sample is applied to the test, if hCG is present, it will bind to the antibodies and trigger a color change, indicating a positive result.
Explanation
This answer is strong because it clearly describes the specific function of monoclonal antibodies in the context of pregnancy tests, demonstrating understanding of their application in diagnosis. The question tests the student's ability to recall and explain the use of monoclonal antibodies in a specific scenario.
Common mistake
Misunderstanding Pregnancy Tests
Students often confuse the mechanism of how monoclonal antibodies work in pregnancy tests, thinking they detect the hormone directly rather than binding to it.
Clarify that monoclonal antibodies in pregnancy tests are designed to bind specifically to the hormone hCG, which is produced during pregnancy, and that this binding triggers a visible change in the test result.
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