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Phases of the cell cycle (article) | Khan Academy
https://www.khanacademy.org/science/ap-biology/cell-communication-and-cell-cycle/cell-cycle/a/cell-cycle-phases
WebDuring interphase, the cell grows and makes a copy of its DNA. During the mitotic (M) phase, the cell separates its DNA into two sets and divides its cytoplasm, forming two new cells.
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DNA Replication Steps and Process - ThoughtCo
https://www.thoughtco.com/dna-replication-3981005
WebOct 7, 2019 · The process of DNA duplication is called DNA replication. Replication follows several steps that involve multiple proteins called replication enzymes and RNA . In eukaryotic cells, such as animal cells and plant cells , DNA replication occurs in the S phase of interphase during the cell cycle .
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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 · The 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.
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The cell cycle and mitosis review (article) | Khan Academy
https://www.khanacademy.org/science/high-school-biology/hs-reproduction-and-cell-division/hs-the-cell-cycle-and-mitosis/a/hs-the-cell-cycle-and-mitosis-review
WebG 1. phase: first gap phase; the cell grows larger and organelles are copied. S phase: synthesis phase; the cell synthesizes a complete copy of the DNA in its nucleus. G 2. phase: second gap phase; the cell grows more, makes proteins and organelles, and begins to reorganize its contents in preparation for mitosis.
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Eukaryotes, Cell Cycle | Learn Science at Scitable - Nature
https://www.nature.com/scitable/topicpage/eukaryotes-and-cell-cycle-14046014/
WebIn eukaryotes, the cell cycle consists of four discrete phases: G 1, S, G 2, and M. The S or synthesis phase is when DNA replication occurs, and the M or mitosis phase is when the cell...
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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
WebThe basic idea. DNA replication is semiconservative, meaning that each strand in the DNA double helix acts as a template for the synthesis of a new, complementary strand. This process takes us from one starting molecule to two "daughter" molecules, with each newly formed double helix containing one new and one old strand.
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9.2 DNA Replication - Concepts of Biology | OpenStax
https://openstax.org/books/concepts-biology/pages/9-2-dna-replication
WebWhen 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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14.5: The Cell Cycle - Biology LibreTexts
https://bio.libretexts.org/Courses/Lumen_Learning/Fundamentals_of_Biology_II_(Lumen)/14%3A_Module_11-_Cell_Division_and_Cell_Cycle/14.05%3A_The_Cell_Cycle
WebJul 31, 2022 · Interphase. The Mitotic Phase. G0 Phase. Section Summary. Contributors and Attributions. Learning Objectives. By the end of this section, you will be able to: Describe the three stages of interphase. Discuss the behavior of chromosomes during karyokinesis. Explain how the cytoplasmic content is divided during cytokinesis.
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6.2 The Cell Cycle - Concepts of Biology | OpenStax
https://openstax.org/books/concepts-biology/pages/6-2-the-cell-cycle
WebIn the S phase (synthesis phase), DNA replication results in the formation of two identical copies of each chromosome—sister chromatids—that are firmly attached at the centromere region. At this stage, each chromosome is made of two sister chromatids and is …
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2.4: The Cell Cycle and Changes in DNA Content
https://bio.libretexts.org/Bookshelves/Genetics/Online_Open_Genetics_(Nickle_and_Barrette-Ng)/02%3A_Chromosomes_Mitosis_and_Meiosis/2.04%3A_The_Cell_Cycle_and_Changes_in_DNA_Content
WebJun 20, 2023 · When a cell is produced through fertilization or cell division, there is usually a lag before it undergoes DNA synthesis (replication). This lag period is called Gap 1 ( G1 ), and ends with the onset of the DNA synthesis ( S) phase, during which each chromosome is …
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