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Molecular mechanism of DNA replication (article) | Khan Academy
https://www.khanacademy.org/science/ap-biology/gene-expression-and-regulation/replication/a/molecular-mechanism-of-dna-replication
WebKey points: DNA replication is semiconservative. Each strand in the double helix acts as a template for synthesis of a new,... New DNA is made by enzymes called DNA polymerases, which require a template and a primer (starter) and synthesize DNA in... During DNA replication, one new strand (the ...
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DNA Replication - National Human Genome Research Institute
https://www.genome.gov/genetics-glossary/DNA-Replication
WebMay 25, 2023 · DNA Replication updated: May 15, 2023 Definition 00:00 … DNA replication is the process by which the genome’s DNA is copied in cells. Before a cell divides, it must first copy (or replicate) its entire genome so that each resulting daughter cell ends up with its own complete genome. Narration 00:00 …
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DNA replication - Wikipedia
https://en.wikipedia.org/wiki/DNA_replication
WebReplication process Preinitiation complex. In early S phase, S-Cdk and Cdc7 activation lead to the assembly of the preinitiation complex, a... Elongation. DNA polymerase has 5′–3′ activity. All known DNA replication systems require a free 3′ hydroxyl group before... Replication fork. Scheme of the ...
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DNA Replication Steps and Process - ThoughtCo
https://www.thoughtco.com/dna-replication-3981005
WebOct 7, 2019 · DNA Replication Steps and Process Preparation for Replication. Before DNA can be replicated, the double stranded molecule must be “unzipped” into two... DNA Replication: Elongation. DNA polymerases (blue) attach themselves to the DNA and elongate the new strands by adding... Replication Enzymes. DNA ...
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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
WebReplication occurs before cell division, during the S phase of the cell cycle. However, replication only concerns the production of new DNA strands, not of new cells. Some people think that in the leading strand, DNA is synthesized in the 5’ to 3’ direction, while in lagging strand, DNA is synthesized in the 3’ to 5’ direction.
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DNA Replication - The Definitive Guide | Biology Dictionary
https://biologydictionary.net/dna-replication/
WebJun 1, 2020 · 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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9.2 DNA Replication - Concepts of Biology | OpenStax
https://openstax.org/books/concepts-biology/pages/9-2-dna-replication
WebThe replication of DNA occurs during the synthesis phase, or S phase, of the cell cycle, before the cell enters mitosis or meiosis. The elucidation of the structure of the double helix provided a hint as to how DNA is copied. Recall that adenine nucleotides pair with thymine nucleotides, and cytosine with guanine.
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What is DNA replication? – YourGenome
https://www.yourgenome.org/facts/what-is-dna-replication/
WebJul 21, 2021 · DNA replication is the process by which DNA makes a copy of itself during cell division. The first step in DNA replication is to ‘unzip’ the double helix structure of the DNA? molecule. This is carried out by an enzyme? called helicase which breaks the hydrogen bonds? holding the complementary? bases? of DNA together (A with T, C with …
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DNA Replication - The Cell - NCBI Bookshelf
https://www.ncbi.nlm.nih.gov/books/NBK9940/
WebDNA Replication. As discussed in Chapter 3, DNA replication is a semiconservative process in which each parental strand serves as a template for the synthesis of a new complementary daughter strand. The central enzyme involved is DNA polymerase, which catalyzes the joining of deoxyribonucleoside 5′-triphosphates (dNTPs) to form the …
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DNA replication - Latest research and news | Nature
https://www.nature.com/subjects/dna-replication
WebMay 18, 2023 · DNA replication is the biological process by which an exact copy of a deoxyribonucleic acid (DNA) molecule is created and it is the basis for biological inheritance. Each of the two strands of the ...
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