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12 Cards in this Set
- Front
- Back
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Ribosomal RNA
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type of RNA that makes up the major part of ribosomes
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Transfer RNA
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type of RNA molecule that transfers amino acids to ribosomes during protein synthesis
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Transcription
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process in which part pf the nucleotide sequence of DNA is copied into a complementary sequence in RNA
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RNA Polymerase
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enzyme similar to DNA polymerase that binds to DNA and separates the DNA strands during transcription
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Promoter
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region of DNA that indicates to and enzyme where to bind to make RNA
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Intron
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intervening sequence of DNA; does not code for a protein
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Exon
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exprssed sequence of DNA;codes for a protein
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Codon
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three nucleotide sequence on messenger RNA that codes for a single amino acif
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Translation
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decoding of a mRNA message into a peptide chain
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Anticodon
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group of three bases on a tRNA molecule that are complementary to an mRNA codon
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Mutation
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change in a DNA sequence that affects genetic information
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Point Mutation
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mutation that affects a single nucleotide ,usually by substituting one nucleotide for another.
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