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Which of the following immunoglobulins is also called secretory immunoglobulin?

Correct Answer: IgA
IgA immunoglobulins are also called secretory immunoglobulin because it is present in all the body secretions including colostrum and mother’s milk. It functions as the first line of defence against ingested and inhaled pathogens by activating alternative pathways of the complement system.

Determine the correctness or otherwise of the following Assertion (A) and Reason (R).
Assertion: An antigen recognized by one immunoglobulin subtype is not recognized by any other subtype.
Reason: Immunoglobulin subtypes differ from each other both in the variable and in the constant regions.

Which of the following is also called as immunoglobulin?

Which of the following is obtained by fusing the sequences coding for the variable region of immunoglobulins to proteins of phage coat?

Which of the following is not a class of immunoglobulins?

Which of the following immunoglobulins can form a pentameric structure?

The following statements Immunoglobulins are true

If ‘white’ is called ‘yellow’, ‘yellow’ is called ‘blue’, ‘blue’ is called ‘red’, ‘red’ is called ‘black’, ‘black’ is called ‘violet’, ‘violet’ is called ‘green’, ‘green’ is called ‘magenta’, and ‘magenta’ is called ‘white’ then what would be the colour if we mix yellow and magenta together?

Which of these immunoglobulins is present in external secretion?

Consider the following statements.
1. Methyl alcohol is also called wood spirit because in early stage it was prepared by the destructive distillation of wood.
2. Ethyl alcohol is also called grain alcohol because it is obtained by the starch enriched substance.
3. Rectified spirit is also called commercial alcohol.
Which of the statements given above are correct?

In all the immunoglobulins, there are _____ type(s) of light chains and ______ type(s) of heavy chain.