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| Shape of DNA | Double Helix
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| Scientists credited for the discovery of the structure of DNA | Watson and Crick
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| The person who took X-Ray diffraction photographs of DNA crystals | Rosalind Franklin
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| Adenine and guanine | Purines
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| Thymine and cytosine | Pyrimidines
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| American biochemist who observed that the percentage of adenine equals the percentage of thymine, and the percentage of cytosine equals that of the guanine in the DNA of a variety of organisms | Erwin Chargaff
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| Deoxyribonucleic Acid | DNA
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| Purine compatible with thymine | Adenine
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| Purine compatible with cytosine | Guanine
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| Pyrimidine compatible with adenine | Thymine
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| Pyrimidine compatible with guanine | Cytosine
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| Process of copying DNA | Replication
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| Made up of 3 parts: sugar (deoxyribose) , phosphate (phosphorous) and one of four nitrogen containing bases (A, G, T, C) | DNA Nucleotide
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| Enzymes that bind to the separated chains of DNA | DNA Polymerase
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| The result of a change in the nucleotide. (One error in every 10,000 paired nucleotides) | Mutation
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| Enzymes repair errors and bring the error rate down to 1 per 1 billion nucleotides | Proofreading
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| A correlation between a nucleotide sequence and an amino acid sequence | Genetic Code
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| Cytosol | Cytoplasm
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| The process by which genetic information is copied from DNA to RNA | Transcription
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| mRNA | Messenger RNA
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| tRNA | Transfer RNA
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| rRNA | Ribosomal RNA
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| The production of proteins | Protein Synthesis
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| There are 20... | Amino Acids
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| The process of assembling polypeptides from information encoded in mRNA | Translation
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| The loop opposite of the site of amino acid attachment bears a sequence of three nucleotides called an... | Anticodon
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| DNA is made up of repeating subunits of | Nucleotides
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| Has two rings of carbon | Purines
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| Has one ring of carbon | Pyrimidines
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| The chains of a hydrogen bond are separated by enzymes called | Helicases
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