This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of nucleic acids, Subject name: Biochemistry
Which of the following factors is responsible for deciding whether an antibody/immunoglobulin will remain membrane-bound or get secreted? 
Select and explain. 
A. RNA Splicing, B. Class Switching, C. Differential RNA Processing, D. Allelic Exclusion
C: Differential RNA Processing
Answer: C: Differential RNA Processing 
Explanation: Differential RNA processing is responsible for deciding whether an antibody/immunoglobulin will remain membrane-bound or get secreted.Ref: AIPGMEE 2011: Rapid review by Dr. Paresh Koli, page; 5