RNA (ribonucleic acid) is a nucleic acid polymer where the carbohydrate is ribose. RNA is generally single-stranded, as DNA is transcribed by RNA polymerases into mRNA (messenger RNA), which is ...

During splicing, which occurs after transcription (i.e., the synthesis of RNA from a DNA template), the introns are removed and the exons are joined, or spliced together.

Feb. 19, 2025 — Acting in the right place at the right time is the key to effective medical treatment with minimal side effects. However, this feat remains difficult to achieve. Biologists and ...