Assertion (A): A typical antibody contains two antigen-binding sites. Reason (R): These sites are located at the constant ends of the heavy chains only. Choose the correct option.
- ABoth Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
- BBoth Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
- CAssertion (A) is true, but Reason (R) is false.
- DAssertion (A) is false, but Reason (R) is true.
✓ Correct answer: C
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