'Dna polymerase' diaporamas de présentation

DNA and Chromosomes

DNA and Chromosomes. DNA, Chromosome Centromere, telomere, replication origin Nucleosome, Chromatin, Histone: H1, H2A, H2B, H3, H4 Histone octamer, DNA packaging DNA binding proteins, Histone modifications. Lampbrush chromosomes (amphibian oocyte).

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DNA as a Nanostructure The central dogma:

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Chapter 12: Molecular Genetics

Chapter 12: Molecular Genetics. 12.1 DNA: The Genetic Material 12.2 Replication of DNA 12.3 DNA, RNA, and Protein 12.4 Gene Regulation and Mutation. 12.1 DNA: The Genetic Material. Main idea: The discovery that DNA is the genetic code involved many experiments. Objectives:

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Molecular Genetics DNA Structure and Replication Chapter 11

Molecular Genetics DNA Structure and Replication Chapter 11. History of Molecular Genetics. * In the pasts, scientists argued about how genetic information was passed down and influcenced traits . * Some scientists believed in " blending " - that the traits of two parents are mixed.

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Antiviral Chemotherapy & Prophylaxis

Antiviral Chemotherapy & Prophylaxis. Dr Hayder B Sahib PhD Pharmacology. Antiviral drugs can exert their actions at several stages of viral replication including 1- viral entry 2- nucleic acid synthesis 3- late protein synthesis and processing

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DNA Replication and Repair

DNA Replication and Repair. Concept 13.2: Many proteins work together in DNA replication and repair. The relationship between structure and function is manifest in the double helix Watson and Crick noted that the specific base pairing suggested a possible copying mechanism for genetic material.

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Sequence Alignments and Database Searches

Introduction to Bioinformatics. Sequence Alignments and Database Searches. Genes encode the recipes for proteins. Proteins: Molecular Machines. Proteins in your muscles allows you to move: myosin and actin. Proteins: Molecular Machines. Enzymes (digestion, catalysis) Structure (collagen).

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Recombinant DNA and Genetic Engineering

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Molecular Genetics Techniques

Molecular Genetics Techniques. BIT 220 Chapter 20. What is Cloning? Recombinant DNA technologies. Incorporate gene of interest into plasmid (cloning vector) Amplification of plasmid by replication in host cell. 1. Producing Recombinant DNA molecule

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DNA Replication

Authored by Peter J. Russell. DNA Replication. Semiconservative DNA Replication. The Watson and Crick DNA model implies a mechanism for replication (very important!): DNA can be denatured and separated A complementary copy can be produced for each strand

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Isolating and Purifying DNA Polymerase ?

Isolating and Purifying DNA Polymerase ?. Yesenia Correa Biochemistry & Biophysics Mentor: Dr. John Hays Environmental and Molecular Toxicology. http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/A/Arabidopsis.html. DNA Polymerases.

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Chapter 9

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MCB 720: Molecular Biology

MCB 720: Molecular Biology. Gene libraries cDNA libraries Library screening. Eukaryotic gene organization. enhancers silencers. Genomic library construction.

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2.7 DNA replication, transcription and translation

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DNA - double helix shape -like a winding staircase

DNA - double helix shape -like a winding staircase. Composed of 4 bases Guanine (G) Cytosine (C) Adenine (A) Thymine (T) Always bond together A-T C-G Each base connected to the _______-_______ _________ Nucleotide = 1 sugar + phosphate + base (like adenine). DNA is complementary

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DNA Replication

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DNA Replication

DNA Replication. DNA Length. DNA molecules are surprisingly long. The nucleus of a human cell contains more than 1 meter of DNA. DNA must be folded and coiled in order to fit in such a small space. Structure of Chromosomes. Chromosomes are made up of chromatin .

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