Science Quiz / Biology DNA terms

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Can you name the biology terms?

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

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