Difference between revisions of "Genetic code"
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| − | '''Genetic code''' is the instructions in a gene that tell the [[cell]] how to make a specific protein. A, T, G, and C are the "letters" of the [[DNA]] code; they stand for the chemicals [[adenine]], [[thymine]], [[guanine]], and [[cytosine]], respectively, that make up the nucleotide bases of DNA. Each gene's code combines the four chemicals in various ways to spell out 3-letter "words" that specify which amino acid is needed at every step in making a protein. The genetic | + | '''Genetic code''' is the instructions in a gene that tell the [[cell]] how to make a specific protein. A, T, G, and C are the "letters" of the [[DNA]] code; they stand for the chemicals [[adenine]], [[thymine]], [[guanine]], and [[cytosine]], respectively, that make up the nucleotide bases of DNA. Each gene's code combines the four chemicals in various ways to spell out 3-letter "words" that specify which amino acid is needed at every step in making a protein. The "word" combinations in more complex genetic strings if written out could literally fill a space as large as an encyclopedia. |
== Sources == | == Sources == | ||
Revision as of 13:18, May 29, 2008
Genetic code is the instructions in a gene that tell the cell how to make a specific protein. A, T, G, and C are the "letters" of the DNA code; they stand for the chemicals adenine, thymine, guanine, and cytosine, respectively, that make up the nucleotide bases of DNA. Each gene's code combines the four chemicals in various ways to spell out 3-letter "words" that specify which amino acid is needed at every step in making a protein. The "word" combinations in more complex genetic strings if written out could literally fill a space as large as an encyclopedia.
Sources
http://www.genome.gov/glossary.cfm?key=genetic%20code%20%28ATGC%29