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Cards In This Set
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Double helix
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Formed by two stands of nucleotides twisted around each other
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Nucleosome
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A subunit of nucleic acid formed from a simple, phosphate group and a nitrogenous base
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DNA helicase
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Unwinds in multiple areas as DNA is replicated
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Semiconservative replication
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Parental stands separate and seve as templates for new stands of DNA
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Circular DNA
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The DNA of prokaryotes
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Sinlge-stranded bindin proteins
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Keep the strands of DNA separate dring replication
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Leading strand
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Elongates as DNA unwinds and is replicated continuously
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Eukaryotic DNA
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Unwinds the double helix
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? guanine, cytosine and thymine are the four ? in DNA
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Adenine, nitrogenous bases
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In DNA, ? always forms hydrogen bonds with gaunine
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Cytosine
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The seqence of ? carries the genetic infomation of an organism
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Nucleotides
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Chargaff's data states that the number of ? bases equals the number of pyrimidine bases in DNA
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Purine
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The twisted ladder shape of DNA is called a ?
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Double helix
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DNA is the ? of all organisms
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Genetic material
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The pyrimidine bases have a ? structure
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Single-ring
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