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

Question

Quizplus · Accepted Answer

During splicing, the RNA component of the spliceosome, specifically the small nuclear ribonucleoproteins (snRNPs), catalyzes the excision reaction. The protein components of the spliceosome play a structural and catalytic role, but the RNA component is the one directly involved in catalysis.

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