IgM is pentamerous and weight of heavy chain is 100000 Da and that of light chain is approximately half of the heavy chain, then find the weight of IgM.

A.    More than 1500kDa

B.    150kDa

C.   15 kDa

D.   300 kDa

Because of linker it would be more than 1500kDa (use formula H2L2 given in NCERT page number 151)

Difficulty Level:

• 49%
• 28%
• 15%
• 11%