What are the steps of dna replication

• [PDF File]DNA Replication & Protein Synthesis

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  DNA Replication and Transcription DNA replication and transcription both synthesize new molecules by base-pairing In transcription, a strand of mRNA is assembled on a DNA template using RNA nucleotides • Uracil (U) nucleotides pair with A nucleotides • RNA polymerase adds nucleotides to the transcript

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• [PDF File]The Genetic Code and DNA Replication

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  DNA replication is carried out by a series of enzymes in the nucleus of the cell. • The Steps of DNA Replication: 1. Enzyme, helicase, unzips the 2 strands of DNA, separating the base pairs 2. Each of the separated strands serves as a template for the attachment of complementary bases by another enzyme, DNA polymerase * DNA Replication

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• [PDF File]DNA replication

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  The mechanism of DNA replication ¥Tightly controlled process, Ðoccurs at specific times during the cell cycle. ¥Requires: Ða set of proteins and enzymes, Ðand requires energy in the form of ATP. ¥Two basic steps: ÐInitiation ÐElongation. ¥Two basic components: Ðtemplate Ðprimer. 12 The mechanism of DNA replication (prokaryotic) ¥DNA ...

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• [PDF File]Steps in Viral Replication: Attachment Viral Replication

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  steps in replication cycle • Viruses depend on host cell machinery to complete replication cycle and must commandeer that machinery to successfully replicate Viral Replication: Basic Concepts •Replication cycle produces-Functional RNA’s and proteins-Genomic RNA or DNA and structural proteins • 100’s-1,000’s new particles produced by ...

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• [PDF File]CHAPTER 5 DNA REPLICATION I: Enzymes and mechanism

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  DNA replication. Basic Mechanisms of Replication DNA replication is semiconservative. We begin our investigation by describing the basic model for how nucleotides are joined in a specific order during DNA replication. By the early 1950’s, it was clear that DNA was a linear string of deoxyribonucleotides.

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• [PDF File]DNA, RNA, replication, translation, and transcription ...

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  DNA, RNA, replication, translation, and transcription Overview Recall the central dogma of biology: DNA (genetic information in genes) RNA (copies of genes) proteins (functional molecules) DNA structure One monomer unit = deoxyribonucleic acid • composed of a base, a sugar (deoxyribose), and a phosphate

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• [PDF File]Pharmacological and Therapeutics agents that Target DNA ...

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  DNA synthesis by two mechanisms that are generally associated: 1/ direct interference with molecules required for DNA polymerization or/and initiation of replication; and 2/ checkpoint response(s). The direct sites of drug action (“pharmacological targets”: nucleotide precursor pools, chain elongation, DNA polymerases, the DNA template, and ...

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• [PDF File]Chapter 28: Parvovirus DNA Replication (PDF)

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  thought to be retained in the replication fork where they provide the necessary helicase activity (Im and Muzyczka 1990, 1992). The smaller Rep proteins, Rep52 and Rep40, are not required for duplex DNA replication but are implicated in progeny single-strand synthesis (Chejanovsky and Carter 1989).

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• Tutorial: DNA Replication

  The replication fork is the site at which DNA replication actually starts. Since DNA replication is bidirectional, that is it proceeds in both directions from the origin (Figure 3), there are actually two replication forks for each replication origin. Replication Forks. Figure 3. A representation of DNA replication proceeding from several ...

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• [PDF File]DNA REPLICATION IN EUKARYOTIC CELLS

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  DNA replication, including DNA recognition and its control by ATP. We then describe recent studies that indicate ORC function may be more dynamic in metazoans than previously thought and that additional factors may assist ORC in localizing to origins of replication in vivo. DNA BINDING The best-understood activity of ORC is its ability to bind DNA.

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• [PDF File]DNA Replication Learning Goal: How does DNA replicate itself?

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  Steps of DNA Replication •The double helix unwinds •Weak hydrogen bonds between bases are broken 1. DNA Unwinds and Unzips DNA helicase= enzyme that unwinds and unzips DNA •Complementary strands separate→ form a replication fork Replication Fork looks like a fork in the road. A parental molecule of DNA A C

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• [PDF File]DNA replication in 7 easy steps - BIOLOGY FOR LIFE

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  DNA replication in 7 easy steps . 1. Helicase enzyme breaks hydrogen bonds between bases, unzips and unwinds the helix A protein that catalyzes chemical reactions. –Helicase begins to unwind the DNA at the ORIGIN OF REPLICATION (a specific DNA nucleotide sequence) It’s common to only show one strands

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• [PDF File]MODELS OF DNA REPLICATION

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  processing, including DNA replication, DNA repair, recombination, transcription, translation, and many other nucleic acid-related processes (Jankowsky & Fairman, 2007) How does helicase separate DNA? • DNA helicase is the enzyme that unwinds the DNA double helix by breaking the hydrogen bonds down the center of the strand. It begins at a site

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• [PDF File]Viral Replication: Basic Concepts

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  2 Viral Replication: Basic Concepts • Replication cycle produces-Functional RNA’s and proteins-Genomic RNA or DNA and structural proteins• 100’s-1,000’s new particles produced by each cycle-Referred to as burst size-Many are defective-End of ‘eclipse’ phase• Replication may be cytolytic or non-cytolytic Steps in Viral Replication: Attachment

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• [PDF File]Prokaryotic DNA Replication

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  DNA replication DNA replication takes place during the S phase part of the interphase of the cell cycle. S for synthesis. Two identical copies of the chromosome are produce d, attached at the centromer. 25 Parts on the yeast chromosome contain Autonomous Replicating Sequence

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• [PDF File]DNA Replication

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  DNA Replication: process of copying and synthesizing new DNA. • Occurs in . nucleus before a cell divides. so that each new cell produced has a complete set of chromosomes. Mitosis-prophase-metaphase-anaphase-telophase. G. 1. G. 2. S. phase. Interphase. DNA replication takes. place in the S phase. 2.

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• [PDF File]DNA Replication - b-g.k12.ky.us

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  DNA Replication Steps The leading strand is the easy strand Complementary free-floating bases pair up with the bases on the DNA strand Enzyme DNA polymerase bonds the nucleotides together. DNA Replication Steps. DNA Replication Steps The lagging strand is more difficult

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