Reading frame
Reading Frame
A Reading Frame (/ˈriːdɪŋ freɪm/) is a way of dividing the sequence of nucleotides in a nucleic acid (DNA or RNA) molecule into a set of consecutive, non-overlapping triplets. Each of these triplets, known as codons, codes for a specific amino acid in the synthesis of a protein molecule.
Etymology
The term "Reading Frame" originates from the process of "reading" the sequence of codons in a nucleic acid molecule, much like reading the words in a sentence. The "frame" refers to the grouping of the nucleotides into triplets.
Related Terms
- Codon: A sequence of three nucleotides which together form a unit of genetic code in a DNA or RNA molecule.
- Nucleic Acid: A complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain.
- Amino Acid: Organic compounds that combine to form proteins. Amino acids and proteins are fundamental components of life.
- Protein Synthesis: The process in which cells build proteins according to the directions in the DNA and carried out by RNA.
See Also
External links
- Medical encyclopedia article on Reading frame
- Wikipedia's article - Reading frame
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