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What does the triplet code of DNA mean?

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AQA GCSE physics P1 unofficial mark scheme 05-05-2016
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    the normal version of the genetic code in which a sequence of three nucleotides codes for the synthesis of a specific amino acid. if we talk about genetic code, it is the ordering of nucleotides in DNA molecules that carries the genetic information in living cells

    courtesy of Triplet code

    btw, I suggest reading the very informative: http://en.wikipedia.org/wiki/Genetic_code
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    It's the sequence of three nucleotides that codes for the synthesis of a specific amino acid
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    Three base pairs in a row code for one amino acid. Amino acids are the building blocks of proteins. You need three bases in a row in order to create enough unique sequences to cover all the amino acids. Two wouldn't be enough.
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    its any 3 nucleotide bases found adjacent to one another on an DNA molecule i.e GAC .. their purpose is to code for the complementary base pairs on the tRNA (which in turn will code for the specific amino acid)

    see the processes of transcription and translation, see if that helps


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