Antibodies consists of _ polypeptide chains:
Correct answer: B. 4
- A. 2
- B. 4
- C. 6
- D. 8
Explanation
Antibodies are protective proteins produced by your immune system. They attach to antigens (foreign substances) - such as bacteria, fungi, viruses and toxins - and remove them from your body. Each antibody has four polypeptides (peptides that consist of two or more amino acids), including two heavy chains and two light chains
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