RNA - Meaning, Definition & English Examples
RNA, or ribonucleic acid, is a molecule essential for coding, decoding, and regulating genes. It plays a key role in protein synthesis and transferring genetic information in cells.
Definition:
A molecule essential for coding, decoding, and gene expression in living organisms.
Synonyms:
ribonucleic acid, genetic material, nucleic acid
Part of Speech:
noun
Antonyms:
DNA, protein (context-dependent)
Common Collocations:
messenger RNA, transfer RNA, ribosomal RNA, RNA polymerase, RNA sequencing
Derivatives:
RNAi (RNA interference), mRNA (messenger RNA)
Usage Tips:
Use "RNA" when discussing genetics or molecular biology; it’s always singular ("RNA is," not "RNA are").
Common Phrases:
RNA world hypothesis, RNA splicing, RNA vaccine
Etymology:
Abbreviation of "ribonucleic acid," coined in the early 20th century from "ribose" and "nucleic acid."
Examples:
- 1. Scientists study RNA to understand genetic diseases.
- 2. RNA carries instructions from DNA to build proteins.
- 3. Viruses like SARS-CoV-2 use RNA as their genetic material.
- 4. RNA vaccines have revolutionized modern medicine.