What are snRNPs (small nuclear ribonucleic particles)?

• A. RNA molecules that convey genetic information from DNA to the ribosome
• B. RNA molecules that serve as the link between the nucleotide sequence of nucleic acids and the amino acid sequence of proteins
• C. RNA component of the ribosome, essential for protein synthesis
• D. RNA protein complexes that combine with pre-mRNA and other proteins to form a spliceosome