This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
False about IgM Antibody 
Select and explain. 
A. Has highest molecular weight, B. Has Highest Sedimentation Co-efficient, C. It is monomeric in nature, D. IgM is responsible for Agglutination
C: It is monomeric in nature
Answer: C: It is monomeric in nature 
Explanation: IgM is pentameric in structure with 10 valency.