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Molecular mechanism of DNA replication - Khan Academy
https://www.khanacademy.org/science/ap-biology/gene-expression-and-regulation/replication/a/molecular-mechanism-of-dna-replication
WEBSpecialized proteins recognize the origin, bind to this site, and open up the DNA. As the DNA opens, two Y-shaped structures called replication forks are formed, together making up what's called a replication bubble. The replication forks will move in opposite directions as replication proceeds.
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DNA structure and replication review (article) | Khan Academy
https://www.khanacademy.org/science/ap-biology/gene-expression-and-regulation/replication/a/hs-dna-structure-and-replication-review
WEBAn ORI is a DNA sequence at which replication is initiated. ORIs are recognized by the replication machinery — specifically the pre-replication complex. A replication bubble is the region of DNA where new strands of DNA have been or are being synthesized.
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2.5: DNA Replication - Biology LibreTexts
https://bio.libretexts.org/Courses/University_of_California_Davis/BIS_2A%3A_Introductory_Biology_(Britt)/02%3A_Face-2-Face/2.05%3A_DNA_Replication
WEBThe replication bubble is composed of two replication forks, each traveling in opposite directions along the DNA. The replication forks include all of the enzymes required for replication to occur - they are just not drawn explicitly in the figure so as to provide room to illustrate the relationships between the template and new DNA strands.
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14.3C: DNA Replication in Eukaryotes - Biology LibreTexts
https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Book%3A_General_Biology_(Boundless)/14%3A_DNA_Structure_and_Function/14.03%3A_DNA_Replication/14.3C%3A_DNA_Replication_in_Eukaryotes
WEBOct 31, 2023 · Each origin of replication forms a bubble of duplicated DNA on either side of the origin of replication. Eventually, the leading strand of one replication bubble reaches the lagging strand of another bubble, and the lagging strand will reach the 5′ end of the previous Okazaki fragment in the same bubble.
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DNA Replication — The Biology Primer
http://thebiologyprimer.com/dna-replication
WEBAll prokaryotes have circular DNA which replicates from a single origin, resulting in a single replication bubble. The replication bubble grows in two directions from its origin. There are two replication forks in a replication bubble, which is where the parental DNA double helix is …
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The Initiation and Completion of DNA Replication in Chromosomes
https://www.ncbi.nlm.nih.gov/books/NBK26826/
WEBA replication bubble formed by replication fork initiation. This diagram outlines the major steps involved in the initiation of replication forks at replication origins. The structure formed at the last step, in which both strands of the parental DNA (more...)
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11.2 DNA Replication - Microbiology | OpenStax
https://openstax.org/books/microbiology/pages/11-2-dna-replication
WEBLearning Objectives. By the end of this section, you will be able to: Explain the meaning of semiconservative DNA replication. Explain why DNA replication is bidirectional and includes both a leading and lagging strand. Explain why Okazaki fragments are formed. Describe the process of DNA replication and the functions of the enzymes involved.
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9.2: DNA Replication - Biology LibreTexts
https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Concepts_in_Biology_(OpenStax)/09%3A_Molecular_Biology/9.02%3A_DNA_Replication
WEBMar 17, 2022 · When a cell divides, it is important that each daughter cell receives an identical copy of the DNA. This is accomplished by the process of DNA replication. The replication of DNA occurs during the synthesis phase, or S phase, of the cell cycle, before the cell enters mitosis or meiosis.
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DNA Replication Mechanisms - Molecular Biology of the Cell
https://www.ncbi.nlm.nih.gov/books/NBK26850/
WEBDNA Replication Mechanisms. All organisms must duplicate their DNA with extraordinary accuracy before each cell division. In this section, we explore how an elaborate “replication machine” achieves this accuracy, while duplicating DNA at rates as high as 1000 nucleotides per second. Go to: Base-Pairing Underlies DNA Replication and DNA Repair.
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DNA Replication - The Definitive Guide | Biology Dictionary
https://biologydictionary.net/dna-replication/
WEBJun 1, 2020 · Definition. DNA replication is a process that occurs during cellular division where two identical molecules of DNA are created from a single molecule of DNA. As a semiconservative process, a single molecule containing two strands of DNA in double helix formation is separated, where each strand serves as a template for the new DNA …
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