Question detail
Explain how monoclonal antibodies can deliver a radioactive substance to cancer cells.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Monoclonal antibodies (biology only) (HT only)
Question
Explain how monoclonal antibodies can deliver a radioactive substance to cancer cells.
Answer
Monoclonal antibodies can be engineered to bind specifically to antigens present on the surface of cancer cells. Once attached, they can deliver a radioactive substance directly to the cancer cells, allowing for targeted radiation therapy that minimizes damage to surrounding healthy tissue.
Explanation
This answer is strong because it clearly describes the mechanism of action of monoclonal antibodies in targeting cancer cells with radioactive substances. The question tests the student's understanding of the specific application of monoclonal antibodies in cancer treatment, aligning with the learning objective.
Common mistake
Misunderstanding Delivery Mechanism
Students often confuse how monoclonal antibodies deliver substances to cancer cells, thinking they directly kill the cells rather than targeting them for treatment.
Clarify that monoclonal antibodies bind specifically to cancer cell antigens, allowing for the delivery of a radioactive substance, toxic drug, or growth-inhibiting chemical directly to the cancer cells, which then disrupts their function.
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