'Replication forks' presentation slideshows

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???????????. ????????. ????????. Replication. telomerase. Mitosis animation. ?????? ???????? ????? ????? ??????. Semiconservative replication. ????? ?????? ?????. ??? ?????. Cell Division and DNA Replication. Cell Cycle Regulators. Replication Initiation. Replication

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Regulation of Cytokinesis

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Chapter 12

Chapter 12. The replicon.

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DNA Replication

DNA Replication. ? The basic rules for DNA replication. ? DNA Polymerases. ? Initiation of replication. ? DNA synthesis at the replication fork. ? Termination of replication. ? Regulation of re-initiation. ? Other modes of DNA replication. ? Termination of replication.

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Chapter 16

Chapter 16. Prokaryotic cell biology By Jeff Errington, Matthew Chapman, Scott J. Hultgren, & Michael Caparon. 16.1 Introduction. The relative simplicity of the prokaryotic cell architecture compared with eukaryotic cells belies an economical but highly sophisticated organization.

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Chapter 16

Chapter 16. Prokaryotic cell biology By Jeff Errington, Matthew Chapman, Scott J. Hultgren, & Michael Caparon. 16.1 Introduction. The relative simplicity of the prokaryotic cell architecture compared with eukaryotic cells belies an economical but highly sophisticated organization.

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BACTERIAL GENETICS

BACTERIAL GENETICS. Pneumococcal reversion Mutations Regulation of gene expression Gene exchange Genetic engineering. Live virulent smooth cocci with capsule. Heat-killed smooth pneumococci ( Streptococcus pneumoniae ) with capsule. Live non-virulent cocci with no capsule.

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DNA and Replication

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DNA Technology a Dr. Production

DNA Technology a Dr. Production. DNA Coiling:. Replication: DNA ? DNA. Occurs during S phase of mitosis in reproducing cells only DNA template is copied complimentarily and semi conservatively

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DNA Replication Ch 20 and 21

DNA Replication Ch 20 and 21. Review session tomorrow at 5 pm and Monday at 5 pm Office hours by appointment next week DNA replication. Meselson and Stahl. Semidiscontinuous vs. Continuous vs. Discontinuous. Semidiscontinuous Replication. Leading strand Replicated continuously

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DNA replication

DNA replication. Haixu Tang School of Informatics. DNA replication and heredity. Mutation rate. Low E.Coli & human: 1 in 10 9 bases Correction mechanism Experiment measure of mutation rate Many mutations are deleterious and eliminated by natural selection.

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BACTERIAL GENETICS

BACTERIAL GENETICS. Pneumococcal reversion Mutations Regulation of gene expression Gene exchange Genetic engineering. Live virulent smooth cocci with capsule. Heat-killed smooth pneumococci ( Streptococcus pneumoniae ) with capsule. Live non-virulent cocci with no capsule.

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Chapter 12 Nucleic Acids

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Control of DNA replication

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Role of RecA in DNA replication

Role of RecA in DNA replication. Yadi Zhou 2013.12.05. RecA protein. 38 kiloDalton Essential for the repair and maintenance of DNA A RecA structural and functional homolog has been found in every species Homologous protein in Homo sapiens is RAD51

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PNAS, July 5, 2006. vol 103, no 27

PNAS, July 5, 2006. vol 103, no 27. The Cell Cycle. R. Sears, Con 664 lecture. DNA Replication Initiation. Geminin. Pre-replicative complex assembly Initiated during M/G1 transition Maintained throughout M phase Regulated by CDK activity. Int Rev Cytol. 2007;256:69-109.

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The Role of RecA in DNA Replication

The Role of RecA in DNA Replication. Alastair Plant Salah Awad. Discovery of RecA. Clark (1967) screened E. coli colonies for mutants with impaired recombination. These mutants were UV-sensitive. Homologous genes exist in prokaryotes and eukaryotes (e.g.Rad51).

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Deoxyribonucleic Acid (DNA)

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