Isoginkgetin is a chemical that inhibits RNA splicing. Which of the following statements about Isoginkgetin is true?

• A. Isoginkgetin enhances the efficiency of RNA splicing.
• B. Isoginkgetin promotes the formation of alternative splicing isoforms.
• C. Isoginkgetin interferes with the assembly of spliceosomal snRNPs.
• D. Isoginkgetin increases the stability of pre-mRNA transcripts.

Answer: (C)