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: Biochemistry
In RNA, gene during processing undergoes all, except 
Select and explain. 
A. Chemical hydrolysis, B. Terminal addition, C. Nucleoside modification, D. Nucleoside cleavage
A: Chemical hydrolysis
Answer: A: Chemical hydrolysis 
Explanation: Post-transcriptional processing involves :-
Cleavage of large precursor of RNA to a smaller molecule by the action of endonuclease.
Splicing (removal of introns)
Terminal addition of nucleotides
Nucleoside modifications