Biology DNA terms

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Sections of DNA that code for a polypetide
Part of ribosome where tRNA enters
Insertion of a base into the DNA sequence
The building blocks of proteins coded fro by DNA
Part of ribosome which travels along mRNA
Same codons code for the same amino acid in all organisms (with few exceptions)
Amino acids have more than one codon
A replacement of one nucleotide with another
Name of chain of DNA on which RNA polymerase moves along
Type of bonds that hold complementary bases together
Enzyme breaking bonds between bases in DNA
The removal of introns from pre-mRNA
A base change which results in a stop codon being produced
Each base sequence is read only once
Gene which slows cell division
Process whereby free nucleotides bond to complementary bases on DNA strand forming pre-mRNA
Outside factors which increase the rate of base mutations
The strand which is complementary to the template strand
When a nucelotide is lost from the DNA sequence
Process whereby polypeptide chain is formed by tRNA attaching to mRNA in cytpolasm
Any change to the quantity or structure of the DNA
When genetic code is read differently as a result of deletion and/or addition mutations
Sequence of 3 bases (triplet) on mRNA that code for a single amino acid
Clover leaf-shaped molecule with one end which a specific amino acid attaches
Small double-stranded sections of RNA essential for gene expressions
Codes that do not code for any amino acid and mark the end of the polypeptide chain
Result of the removal of introns from pre-mRNA
Substituted base codes for same amino acid
Sections of DNA that do not code for a polypetide
The 3 bases on the non-amino acid end of tRNA
Direction of RNA polymerase along DNA strand
Gene which stimulates cell division
Organelle which is involved in translation
A base change which results in different amino acid being coded for
A specific molecule that stimulates transcription

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