Final answer:
RNA-binding proteins can either increase or decrease the stability of the RNA molecule, thereby affecting its translation into a protein.
Step-by-step explanation:
Binding of an RNA-binding protein (RBP) to an RNA molecule affects the RNA's stability in a significant way. These proteins can either increase or decrease the stability of the RNA molecule. This is a critical aspect of gene expression regulation because the stability of RNA determines how long it will be available for translation into a protein. Elements like the untranslated regions (UTRs) just upstream or downstream of the coding sequence are common binding sites for RBPs. These UTRs are not part of the protein-coding sequence but play essential roles in the regulation of mRNA; they influence its localization, stability, and the translation process.