Science Quiz / Biology DNA terms

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Can you name the biology terms?

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

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