1. Tardigrade
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  3. Biology
  4. Assertion: All immunoglobulin molecules have a basic structure composed of four polypeptide chains. Reason: The polypeptide chains consists two identical heavy and light chain connected by disulphide bonds.

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Q. Assertion : All immunoglobulin molecules have a basic structure composed of four polypeptide chains.
Reason : The polypeptide chains consists two identical heavy and light chain connected by disulphide bonds.

Human Health and Disease

Solution:

Correct answer is (b) If both assertion and reason are true but reason is not the correct explanation of assertion