'Dna polymerase iii' presentation slideshows

1.28k views • 82 slides

REPLICATION

REPLICATION. Chapter 7. The Problem. DNA is maintained in a compressed, supercoiled state. BUT, basis of replication is the formation of strands based on specific bases pairing with their complementary bases. ? Before DNA can be replicated it must be made accessible, i.e., it must be unwound.

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Chapter 30

Chapter 30. DNA Replication and Repair to accompany Biochemistry, 2/e by Reginald Garrett and Charles Grisham.

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Cell Structure Review and Introduction to DNA

Cell Structure Review and Introduction to DNA. Did you know?. 100 years ago we did not know why some children had brown eyes and some blue 75 years ago we did know the structure of dextrose 50 years ago we did not know the correct number of chromosomes

825 views • 48 slides

REPLICATION

REPLICATION. Chapter 7. The Problem. DNA is maintained in a compressed, supercoiled state. BUT, basis of replication is the formation of strands based on specific bases pairing with their complementary bases. ? Before DNA can be replicated it must be made accessible, i.e., it must be unwound.

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Do Now:

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DNA Replication and Repair

DNA Replication and Repair. Fundamental Properties of Cells. Introduction. All cells undergo DNA replication and cell division in order to give rise to a new generation of cells.

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DNA ?????

DNA ?????. Biosynthesis of DNA. The genetic central dogma. ? Concept of DNA replication or DNA biosynthesis. Semiconservative replication

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DNA REPLICATION

DNA REPLICATION. What would you do?. Imagine being presented with a book that is composed of about 1 billion pages, and you are asked to find a way to make 100 copies, at once, within a 20 minute time period. Your body, every day.

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DNA Replication

DNA Replication. C483 Spring 2013.

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DNA Replication the big event during S phase

DNA Replication the big event during S phase. The Animation . http://highered.mcgraw-hill.com/sites/0072437316/student_view0/chapter14/animations.html#. 1. Helicase breaks hydrogen bonds between bases, unzips and unwinds the helix. Helicase:

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Replication of the Genetic Material

Replication of the Genetic Material. Genetic material must be duplicated for transfer into daughter cells. Complementary double-stranded DNA makes this possible. A. A. A. Possible Mechanisms for DNA Replication. semiconservative conservative dispersive.

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DNA Replication

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DNA R eplication -III

DNA R eplication -III. Initiation of Replication. The origin of replication in E. coli is termed oriC ori gin of C hromosomal replication Important DNA sequences in oriC AT-rich region DnaA boxes. DNA Polymerase III Is the Replicative Polymerase in E. coli.

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DNA is the information carrying molecule in genetics

DNA is the information carrying molecule in genetics

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Ch. 12.2: Replication of DNA

Ch. 12.2: Replication of DNA. Section objective: Summarize DNA replication. Replication of DNA. Before a cell can divide by mitosis or meiosis, it must first make a copy of its chromosomes. The DNA in the chromosomes is copied in a process called DNA replication .

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The Structure & Replication of DNA

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1. A. Meischer (1868) band rich in acid-phosphates

Molecular Biology. I . Introduction. A. History. 1. A. Meischer (1868) band rich in acid-phosphates. 2. F. Griffith (1928) protein not inherited molecule. 3. Luria, A. Hershey and M. Chase (1952) Viruses. Figure 10.1A. Figure 10.1C. 4. E. Chagraff (1952) T=A and G=C.

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DNA Replication

DNA Replication. In your introductory biology/science courses you learned about the process of mitosis. Mitosis allows the nuclear material in the cell to be divided into daughter cells.

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