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Replication & Transcription. Replication One of the hallmarks of living organisms is their ability to reproduce. DNA contains the genetic information.

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Presentation on theme: "Replication & Transcription. Replication One of the hallmarks of living organisms is their ability to reproduce. DNA contains the genetic information."— Presentation transcript:

1 Replication & Transcription

2 Replication One of the hallmarks of living organisms is their ability to reproduce. DNA contains the genetic information

3

4 The interrelationship of DNA,RNA & Protein

5 DNA Contains Four Deoxynucleotides

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7 Double-stranded DNA

8 Formation of hydrogen bonds between complementary bases in double-stranded DNA

9 Base pairing

10 Supercoiling of DNA. DNA Exists in Relaxed & Supercoiled Forms

11 Negative and positive supercoils.

12 Important structural elements of a yeast chromosome

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14 extent of DNA packaging in metaphase chromosomes

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17 Requirements for DNA Replication

18 DNA provides a template for Replication & transcription

19 DNA replication is semiconservative

20 Steps involved in DNA replication in eukaryotes

21 Classes of proteins involved in replication

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26 The initiation of DNA synthesis upon a primer of RNA

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33 DNA polymerase III

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37 A comparison of prokaryotic and eukaryotic DNA polymerases

38 DNA Polymerases

39 The telomere replicacion problem

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41 Cyclins and cyclin-dependent kinases involved in cell cycle progression

42 Cell cycle

43 RNA Synthesis, Processing, & Modification

44 Prokaryotic gene PromoterCoding regionTermination

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46 Introns in two eukaryotic genes.

47 Promoter structure

48 Bacterial promoters

49 Eukaryotic Promoters Are More Complex

50 the transcription control regions

51 Summary of the properties of enhancers.

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55 Nomenclature and properties of mammalian nuclear DNA-dependent RNA polymerases.

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58 Structure of a typical eukaryotic mRNA showing elements that are involved in regulating mRNA stability

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63 Typical aminoacyl tRNA

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65 Classes of eukaryotic RNA.

66 Components of mammalian ribosomes

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