What defines codon?
Listen to pronunciation. (KOH-don) In DNA or RNA, a sequence of 3 consecutive nucleotides that codes for a specific amino acid or signals the termination of gene translation (stop or termination codon).
What is a codon definition quizlet?
codon. A sequence of three nucleotides which together form a unit of genetic code in a DNA or RNA molecule.
Which defines a codon in mRNA?
A codon is a specific sequence of nucleotides on an mRNA that corresponds to a specific amino acid or to a stop signal during protein translation. A nucleotide, in turn, is made up of a nucleobase (or simply, base), a sugar, and a phosphate group.
Which best describes a codon quizlet?
Which best describes a codon? the sequence of three bases that codes for a specific amino acid. Many different types of mutations can occur within the body.
What is a codon and where is it located *?
A codon is the amino acid coding unit in DNA or messenger RNA (mRNA). The string of codons in the mRNA specifies the order of amino acids in the encoded protein.
Are codons mRNA or tRNA?
tRNAs bring their amino acids to the mRNA in a specific order. This order is determined by the attraction between a codon, a sequence of three nucleotides on the mRNA, and a complementary nucleotide triplet on the tRNA, called an anticodon.
Why is mRNA aptly named?
Why is mRNA aptly named? mRNA carries the information in DNA to where it’s used in protein synthesis. What is the process called that converts the genetic information stored in DNA to an RNA copy?
What does co-Don mean?
Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia. co·don. n. A sequence of three adjacent nucleotides constituting the genetic code that determines the insertion of a specific amino acid in a polypeptide chain during protein synthesis or the signal to stop protein synthesis.
How many codons are there in a protein?
There are 64 possible codons, three of which do not code for amino acids but indicate the end of a protein. The remaining 61… …in triplets of nucleotides, called codons.
What is a three nucleotide codon?
Codon is the name we give a stretch of the three nucleotides, you know, one of A, C, G, or T, three of which in a row, that code for a specific amino acid, and so the genetic code is made up of units called codons where you have three nucleotides that code for a specific amino acid next to another three nucleotides, another three nucleotides,
Why are some amino acids coded for more than one codon?
Some amino acids are coded for by more than one codon, and some codons do not signal a particular amino acid but rather signal a stop to protein synthesis. The American Heritage® Science Dictionary Copyright © 2011.