'Exonuclease activity' diaporamas de présentation

Molecular Biology ( 1) part 2

Molecular Biology ( 1) part 2. Mamoun Ahram, PhD Second semester, 2015-2016. DNA replication a general mechanism. Resources. This lecture Campbell and Farrell's Biochemistry, Chapter 10. Transfer of molecular information. Some basic information.

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Organization of DNA

Organization of DNA. Lecture 3. Large DNA molecules must be packaged to fit inside the cell and still be functional ! Supercoiling

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DNA replication

DNA replication. Central dogma of molecular biology. 1.the basic principle of DNA replication. Semiconservative replication. a. concept evidence conclusion. (2) Semidiscontinuous replication. * The synthesis direction of DNA polymerase.

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CHAPTER 3 DNA Replication

CHAPTER 3 DNA Replication Peter J. Russell edited by Yue-Wen Wang Ph. D. Dept. of Agronomy, NTU 1. Watson and Crick DNA model implies a mechanism for replication: a. Unwind the DNA molecule. b. Separate the two strands. c. Make a complementary copy for each strand.

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Amplifying DNA: PCR & cell-based DNA cloning

Amplifying DNA: PCR & cell-based DNA cloning. The importance of DNA cloning: Current DNA technology is based on two different approaches:

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DNA

DNA. YUSRON SUGIARTO, STP, MP, MSc. STRUCTURE OF DNA. DNA REPLICATION. The Structure of DNA . The Structure of DNA . DNA is wrapped tightly around histones and coiled tightly to form chromosomes . DNA. DNA is often called the blueprint of life .

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Gene transfer

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DNA: The genetic material

DNA: The genetic material. Mendel did not know about DNA or chromosomes!. Experiments that proved DNA is heritable material 1928: transformation (Griffiths). Avery, MacLeod, and McCarty:DNA is the transforming molecule (1944). Used same Streptococcus strains as Griffiths

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DNA: The genetic material

DNA: The genetic material. Mendel did not know about DNA or chromosomes!. Experiments that proved DNA is heritable material 1928: transformation (Griffiths). Avery, MacLeod, and McCarty:DNA is the transforming molecule (1944). Used same Streptococcus strains as Griffiths

389 views • 23 slides

Overexpression of cloned genes can yield large amounts of valuable proteins.

Overexpression of cloned genes can yield large amounts of valuable proteins. Genes can be overexpressed (1) in bacteria (e. g. E. coli ) (2) in eukaryotic cells. Many human proteins are used to treat disease. These are normally present in the body in trace amounts.

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