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36 Cards in this Set
- Front
- Back
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Who found the transforming principle?
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Fredrich Griffith |
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Who said that that transforming principle is DNA?
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Avery, Macleod, McCarty
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Who used bacteriophages to do experiments?
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Hershey and Chase
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Who extracted a weak acidic substance from pus cells and used bandages?
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Fiedrich Miescher |
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Who isolated 2 types of nucleic acid?
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Pheobus Levene
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Who said that the composition of adenine is equal to thymine and cytosine to guanine?
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Erwin Chargaff
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Who used x ray diffraction to analysis DNA?
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Rosalind Franklin and Maurice Wilkins
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Who made the first 3D model of DNA?
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Watson and Crick
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Who said there is a relationship between genes and proteins?
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Archibald Garrod
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Who had the 1 gene/1 polypeptide hypothesis?
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Beadle and Tatum
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Who said that proteins are made of amino acids covalently linked?
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Sanger |
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Who said there are special types of RNA?
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Jacobs and Monad
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Who said that the genetic code reads in triplets?
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Crick and Brenner
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What are the 3 theories of DNA Replication?
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1. Conservaation 2. Semi- conservation 3. Dispersive |
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Label it
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1. Helicase 2. DNA polymerase 3. RNA primers 4. Okazaki Fragments 5.DNA liagase |
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What enzyme removes mistakes in a newly synthesized stand?
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exonuclease
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Whats the central Dogma?
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What are the Types of RNA?
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mRNA tRNA rRNA |
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What is transcription?
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Transcribing the DNA into a mRNA stand |
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What are the modifications added to the pre-mRNA strand? |
1. 5' cap 2. Poly A tail 3. Introns are cut out |
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What is translation?
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Translating the nucleic acid code of mRNA into an amino acid sequence
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What is this?
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tRNA
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Whats the group of enzymes used to attach an amino acid to the tRNA?
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Aminoacyl- tRNA sytnthetase
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What are the binding sites for tRNA?
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1. Acceptor site 2. Peptide site 3. Ejector site |
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What is this?
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The genetic code
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What are the types of mutations?
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1. silent mutation 2.missense mutation 3.nonsense mutation 4.frameshift mutation |
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what is this an example of?
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Mutation
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what are the genes that constantly need to be made?
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constrictive genes
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operon
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What is recombinant DNA?
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Dna that has been prepared in a lab by combining fragments od DNA from more than one source
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what the enzyme used to cut DNA in order to make recombinant DNA?
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Restriction Endonuclease
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Explain what this is?
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How do you make recombinant DNA?
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Explain this Image
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What is Dideoxy Sequencing?
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a method for determining the sequence of DNA fragment using dideoxynucleotides |
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What is this machine?
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Polymerase chain reaction
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