Discussion
Identify the INCORRECT statement about the immunoglobulins (Ig)
Answer: C
The incorrect statement is IgD is the most abundant immunoglobulin.
IgG is the most abundant immunoglobulin in serum, about three quarters of the total. IgD is present only in trace amounts in serum; its main role is as an antigen receptor on the surface of mature naive B cells, alongside IgM.
The other statements are correct. Secreted IgM is a pentamer joined by a J chain. IgA in secretions such as saliva, tears and breast milk is a dimer. IgE binds to mast cells and basophils and triggers the release of histamine in allergic reactions.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development