RNA
pronunciation
How to pronounce RNA in British English:
UK [ˌɑ:r en ˈeɪ]
How to pronounce RNA in American English:
US [ˌɑren'eɪ]
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- Noun:
- (biochemistry) a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes; it transmits genetic information from DNA to the cytoplasm and controls certain chemical processes in
Word Origin
- RNA (n.)
- 1948, abbreviation of ribonucleic acid (see ribonucleic).
Example
- 1. That information determined whether or not a string of rna was snipped .
- 2. But upon closer examination , the researchers also detected pieces of rna .
- 3. Rathore used a new technique , called rna interference , to construct a genetic sequence that blocked the gossypol-producing enzyme in the seeds only .
- 4. Scientists thought that most rna in a cell was messenger rna generated by protein-coding genes , rna in ribosomes , or a sprinkling of other rna elsewhere .
- 5. Derrick rossi of harvard university has performed a similar trick using synthetic rna messenger molecules to mimic the activity of the genes in question .