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15 Cards in this Set
- Front
- Back
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What is TRANSFORMATION?
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process when one strain of bacteria is changed by a gene from another strain of bacteria
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What is BACTERIOPHAGE?
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Virus that infects bacteria
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What is a NUCLEOTIDE?
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monomer of nucleic acids made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
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What is BASE PAIRING?
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principal that bonds in DNA Can form only between adenine and thymine or guanine and cytosine
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Give an example of TRANSFORMATION:
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The griffith experiment...isolating diferent types of mice..harmful/ harmless
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What is Griffith's hypothesis?
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If you mix smooth-heated and add it to rough- transferred fromharmful to harmless
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What was Avery's conclusion?
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Dna was the transforming factor
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Who were Hershey and Chase?
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They studied viruses that can infect living organisms
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What is the structure of DNA?
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Nucleotide...deoxyribose, phosphate, nitrogenous base
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What are Chargaff's rules?
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A(ADENINE) = t(THYMINE)
g( GUANINE) = c (CYTOSINE) |
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Who was Rosalind Franklin?
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SHE STUDIED x-rAY DIFFRACTION
to record the scattering pattern on film |
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Who are Watson & Crick?
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They built the double-helix structure of DNA
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What is an ENZYME?
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Protein that speeds up a chemical reaction
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What does a Helicase enzyme do?
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Breaks down the hydrogen bonds between nitrogenous bases
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What did Avery discover?
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DNA is the nucleic acis that stores and transmits the genetic information from generation to generation
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