This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
Conversion of uroporphyrinogen III to coproporphyrinogen III is an example of 
Select and explain. 
A. Deamination, B. Decarboxylation, C. Hydrogenation, D. Dehydrogenation
B: Decarboxylation
Answer: B: Decarboxylation 
Explanation: (Refer Q 26)