'Repetitive dna sequences' diaporamas de présentation

African Trypanosomes

Regulation of Antigenic Variation. African Trypanosomes. VSG. switch. Antigenic Variation. stochastic. in vitro = in vivo. Immune. destruction. by host. Proliferation. Variant Surface Glycoprotein. 1000 diff variants. Only one expressed. on the surface. 20 nm thick. VSG. switch.

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Chapter 16 The Molecular Basis of Inheritance

Chapter 16 The Molecular Basis of Inheritance. You Will Be Able To:. Describe historical experiments that lead to the model for the DNA structure Describe the overall structure of DNA Explain how DNA matches up base pairs Diagram DNA replication

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Division of bacterial cells takes about 20-25 minutes.

Genetic Variation = refers collectively to the diversity of genomes that give rise to different individuals includes small differences between genomes of members of the same species and greater differences between the genomes of different species

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Chapter 24

Chapter 24. Genes, Genomes, and Chromosomes. Chapter 24 Outline :. Prokaryotic and Eukaryotic Genomes Restriction and Modification Determining Genome Nucleotide Sequences Physical Organization of Genes: The Nucleus, Chromosomes, and Chromatin The Cell Cycle Polymerase Chain Reaction.

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Genomes & Biotechnology

Genomes & Biotechnology. Key Concepts There Are Powerful Methods for Sequencing Genomes and Analyzing Gene Products Prokaryotic & Eukaryotic Genomes have several things in common, but some key differences The Human Genome Sequence Has Many Applications. Key Concepts

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Aging and immortal cells

Aging and immortal cells. Aging ?. Why do we get old ? What is aging ?. Aging - Phenotypic changes that occur over time due to limiting processes Aging is a process that converts an optimally healthy, fit organism into a less healthy, less fit organism

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The Cellular and Molecular Basis of Inheritance

The Cellular and Molecular Basis of Inheritance. Components of Inheritance. Cell Nucleus Cytoplasm DNA Composition Structure Replication Transcription Chromosomes. Chromosome Structure.

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Defective de novo methylation of viral and cellular DNA sequences in ICF syndrome cells

Defective de novo methylation of viral and cellular DNA sequences in ICF syndrome cells. Robertson K. et al. Human Molecular Genetics, 2002. Gergana Ugrinova University of Notre Dame October 11, 2002. Overview. Background Experiments and results Conclusions Questions.

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KARYOTYPING

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Lectures Clinical Genetics

Lectures Clinical Genetics. Dr. Aneela Javed. Chapter 5: How to study patients DNA Two essentials 1- hybridization 2-Amplification of sequence of interest. 1- hybridization for DNA testing in dif techniques: labeling with fluorescent probes .

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Chro mosome Banding

Chro mosome Banding . the earliest techniques stained chromosomes uniformly, and only allowed a few chromosomes of unusual size or shape to be identified unequivocally. it is not possible to distinguish between the p and q arms of metacentric chromosome. . Introduction.

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Human Genomic DNA Isolation

Human Genomic DNA Isolation. Zelha Nil Nov 2009. DNA Structure. Composed of nucleotides : A, T, G, C Synthesized in 5’ to 3’ direction through formation of phosphodiester bonds betw deoxyribose & phosphate : Sugar - Phosphate backbone

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Human Genomic DNA Isolation

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Higher Biology

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