Zoology · Human Health and Diseases
NEET (UG) 2025 — Question 134
Identify the statement that is NOT correct.
- Option A:
Each antibody has two light and two heavy chains.
- Option B:
The heavy and light chains are held together by disulfide bonds
- Option C:Correct
Antigen binding site is located at C-terminal region of antibody molecules.
- Option D:
Constant region of heavy and light chains are located at C-terminus of antibody molecules.
Answer: C
Step-by-step solution
Each antibody molecule consists of two heavy chains and two light chains, held together by disulfide bonds. The antigen-binding site is located at the variable region at the N-terminal ends of the heavy and light chains. The constant regions of both heavy and light chains are located at the C-terminal ends. Therefore, the statement that the antigen binding site is at the C-terminal region is incorrect. Hence, the correct answer is C.
Answer key and solution verified before publishing.
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- Exam
- NEET (UG) 2025
- Paper
- 2025 paper
- Subject
- Zoology
- Chapter
- Human Health and Diseases
- Topic
- ACQUIRED IMMUNITY(ACTIVE AND PASSIVE IMMUNITY)
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