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DNA, Chromosomes and the DNA, Chromosomes and the NucleusNucleus
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DNA StructureDNA Structure
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DNA StructureDNA Structure
What are some of the important structural features What are some of the important structural features of the DNA double helix?of the DNA double helix?
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DNA StructureDNA Structure
In addition to B-DNA In addition to B-DNA what other forms what other forms exist?exist?
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DNA StructureDNA Structure
What is supercoiled DNA and what effect does it have?What is supercoiled DNA and what effect does it have? Can it occur in linear DNA molecules?Can it occur in linear DNA molecules?
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DNA StructureDNA Structure
What is the difference between What is the difference between topoisomerases and DNA gyrase?topoisomerases and DNA gyrase?
How can one bring about the denaturation How can one bring about the denaturation and renaturation of DNA?and renaturation of DNA?
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DNA StructureDNA Structure
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DNA StructureDNA Structure
What is the DNA What is the DNA melting temperature?melting temperature?
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Genomic DNAGenomic DNA
How do we define the term “genome”?How do we define the term “genome”?
How is genomic size expressed?How is genomic size expressed?
Is there a relationship between genomic size Is there a relationship between genomic size and complexity of the organism or virus?and complexity of the organism or virus?
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Genomic DNAGenomic DNA
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Genomic DNAGenomic DNA
What are restriction What are restriction enzymes and how enzymes and how have they helped us to have they helped us to study DNA?study DNA?
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Genomic DNAGenomic DNA
How can restriction fragments be characterized?How can restriction fragments be characterized?
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Genomic DNAGenomic DNA
How is restriction How is restriction mapping carried out mapping carried out and what information and what information does it provide?does it provide?
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Genomic DNAGenomic DNA
How is the chain How is the chain termination method of termination method of Sanger used to Sanger used to determine the determine the sequence of a DNA sequence of a DNA molecule?molecule?
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Genomic DNAGenomic DNA
What is bioinformatics and proteomics?What is bioinformatics and proteomics?
How much variation is there in the human How much variation is there in the human genome?genome?
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Genomic DNAGenomic DNA
How did the work of Britten and Kohne help How did the work of Britten and Kohne help explain why eukaryotic genomes are so large?explain why eukaryotic genomes are so large?
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Genomic DNAGenomic DNA
What is the difference between tandemly repeated What is the difference between tandemly repeated DNA versus interspersed repeated DNA?DNA versus interspersed repeated DNA?
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Genomic DNAGenomic DNA
What are the possible functions of this What are the possible functions of this tandemly repeated DNA?tandemly repeated DNA?
What about the role of this DNA What about the role of this DNA fingerprinting?fingerprinting?
in certain genetic diseases?in certain genetic diseases?
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DNA PackagingDNA Packaging
How is the bacterial genome structured to fit How is the bacterial genome structured to fit inside of the small cell?inside of the small cell?
What are bacterial plasmids?What are bacterial plasmids?
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DNA PackagingDNA Packaging
What is the relationship between DNA and What is the relationship between DNA and chromosomes in eukaryotic cells?chromosomes in eukaryotic cells?
What are nucleosomes?What are nucleosomes?
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DNA PackagingDNA Packaging
What experimental evidence supported the What experimental evidence supported the existence of nucleosomes?existence of nucleosomes?
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DNA PackagingDNA Packaging
How is the nucleosome organized? Where is the How is the nucleosome organized? Where is the H1 histone protein?H1 histone protein?
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DNA PackagingDNA Packaging
How are nucleosomes How are nucleosomes packaged to form packaged to form chromosomes?chromosomes?
What is the DNA What is the DNA packing ratio?packing ratio?
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DNA PackagingDNA Packaging
How does mitocondrial How does mitocondrial and chloroplast DNA and chloroplast DNA compare with nuclear compare with nuclear DNA?DNA?
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NucleusNucleus
What do we know What do we know about nuclear about nuclear structure?structure?
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NucleusNucleus
What are the major What are the major features of the nuclear features of the nuclear pore complex?pore complex?
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NucleusNucleus
What kinds of molecules are transported across What kinds of molecules are transported across the nuclear envelope?the nuclear envelope?
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NucleusNucleus
How are molecules How are molecules transported across the transported across the nuclear envelope?nuclear envelope?
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NucleusNucleus
What role does the nuclear matrix serve?What role does the nuclear matrix serve?
What role does the nuclear lamina serve?What role does the nuclear lamina serve?
What is the function of the nucleolus?What is the function of the nucleolus?