During Splicing,which Molecular Component of the Spliceosome Catalyzes the Excision

Question

During splicing,which molecular component of the spliceosome catalyzes the excision reaction?
A)protein
B)DNA
C)RNA
D)lipid
E)sugar

Accepted Answer

The catalytic component of the spliceosome is RNA, specifically the small nuclear RNA (snRNA) molecules that make up the spliceosome. These snRNAs form the active site of the spliceosome and catalyze the excision of introns and splicing together of exons.