Genetic code

genetic code
the 61 triplet sequences of nucleotides that specify amino acids and the 3 that specify "stop"
Source: Jenkins, John B. 1990. Human Genetics, 2nd Edition. New York: Harper & Row ...
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Genetic code
(Redirected from Codon)
The genetic code is a set of rules, which maps DNA sequences to proteins in the living cell, and is employed in the process of protein synthesis.
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The genetic code can be expressed as either RNA codons or DNA codons. RNA codons occur in messenger RNA (mRNA) and are the codons that are actually "read" during the synthesis of polypeptides (the process called translation).
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Dr. Robert Nussbaum, of the National Human Genome Research Institute's Laboratory of Genetic Disease Research, defines genetic code (ATCG).
related
terms:
amino acids, base pair, deoxyribonucleic acid (DNA), gene, nucleotide, protein ...
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genetic code The linear series of nucleotides, read as triplets, that speci?es the sequence of amino acids in proteins. Each triplet speci?
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genetic code
The system of nucleotide triplets in DNA and RNA that carries genetic information; referred to as a code because it determines the amino acid sequence in the enzymes and other protein molecules synthesized by the organism.
genetic drift ...
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Genetic code
The assignment of each of the triplet codons of mRNA to amino adds and translation stop signals. See Codon table.
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Genetic Code
The table below can be used to determine what amino acid corresponds to any 3-letter codon.
First
Base ...
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Genetic code: The sequence of nucleotides, coded in triplets (codons) along the mRNA, that determines the sequence of amino acids in protein synthesis.
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Use genetic code to determine mRNA and amino acid sequence.
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Labs (ex. Rice Krispies , manipulatives) ...
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degeneracy The genetic code is said to be degenerate because more than one three-base sequence in DNA can code for one amino acid.
degeneration The death or functional impairment of cells connected to destroyed or severely damaged neurons.
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A section of human genetic code taken from several unnamed Australian athletes was added to ink used to mark all official goods - everything from caps to socks - from the 2000 Summer Olympic Games.
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: A feature of the genetic code. More than one nucleotide triplet can code for the same amino acid. The same applies to the
termination signal,
which is encoded by three different
stop codon ...
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Genetic code. The three-letter code that translates nucleic acid sequence into protein sequence. The relationships between the nucleotide base-pair triplets of a messenger RNA molecule and the 20 amino acids that are the building blocks of proteins.
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genetic code The set of triplet code words in mRNA or DNA, coding for the amino acids of proteins. genetic information The hereditary information contained in a sequence of nucleotide bases.
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This genetic code is a triplet code without punctuation. The absence of punctuation makes reading the mRNA susceptible to changes in the frame of reading the nucleotide residues.
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Degeneracy Backtranslation of amino acid sequences usually leads to a collection of possible base sequences which can code for the amino acid sequence, due to the degeneracy of the genetic code.
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In translation, Messenger RNA (mRNA) is decoded to produce a specific polypeptide according to the rules specified by the genetic code. Translation is necessarily preceded by transcription.
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Coding genes map into proteins using the genetic code. The genetic code is redundant (the technical term is degenerate), i.e., different triplets of nucleotides will produce the same amino acid.
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And from the genetic code, we can tell the exact sequence of the protein that it codes for.
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This includes work on the nature of the genetic code and the mechanisms of protein synthesis. He later left molecular biology for his other interest, consciousness.
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The process in which the genetic code carried by mRNA directs the synthesis of proteins from amino acids. The mRNA base sequence is translated into sequence of amino acids in a peptide or protein. Occurs on ribosomes. (Cf. transcription).
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translation: the process by which the genetic code is transferred to an amino acid sequence in a protein.
tricuspid valve: a valve that passes blood from the right atrium into the right ventricle.
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DeoxyribonucleicAcid(DNA) the genetic code material consisting of pairs of nitrogenous bases bonded to a "ladder" of phosphate and ribose molecules
(de = from down out; deoxy = without oxygen) ...
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Universality: biochemistry, cells and the genetic code
Schematic representation of the primary
Enlarge
Schematic representation of DNA the primary genetic material ...
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DNA -- "deoxyribonucleic acid". The nucleic acid which carries the genetic code of an organism. It is the primary component of chromosomes. MORE?
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Ribosome : The small cellular structure in which RNA translates the genetic code into proteins.
RNA: See Ribonucleic acid.
Sequence: See Base sequence.
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SILENT MUTATION - A nucleotide substitution (never a single deletion or insertion) which does not alter the amino acid sequence of an encoded protein due to the degeneracy of the genetic code.
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