what are the three parts of a cell cycle?
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Phases of the cell cycle. The cell cycle is composed of interphase (G₁, S, and G₂ phases), followed by the mitotic phase (mitosis and cytokinesis), and G₀ phase.
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['Prophase I. The chromosomes condense, and the nuclear envelope breaks down. ... ', 'Metaphase I. Pairs of homologous chromosomes move to the equator of the cell.', 'Anaphase I. ... ', 'Telophase I and Cytokinesis. ... ', 'Prophase II. ... ', 'Metaphase II. ... ', 'Anaphase II. ... ', 'Telophase II and Cytokinesis.']
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The cell cycle is a four-stage process in which the cell increases in size (gap 1, or G1, stage), copies its DNA (synthesis, or S, stage), prepares to divide (gap 2, or G2, stage), and divides (mitosis, or M, stage). The stages G1, S, and G2 make up interphase, which accounts for the span between cell divisions.
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Cell division is just one of several stages that a cell goes through during its lifetime. The cell cycle is a repeating series of events that include growth, DNA synthesis, and cell division.
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What happens during mitosis? During mitosis, a eukaryotic cell undergoes a carefully coordinated nuclear division that results in the formation of two genetically identical daughter cells. Mitosis itself consists of five active steps, or phases: prophase, prometaphase, metaphase, anaphase, and telophase.
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The cell cycle has three phases that must occur before mitosis, or cell division, happens. These three phases are collectively known as interphase. They are G1, S, and G2. The G stands for gap and the S stands for synthesis.
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['Mitosis. A process of nuclear division in eukaryotic cells conventionally divided into five stages: prophase, prometaphase, metaphase, anaphase, and telophase. ... ', 'Centromere. Area where the chromatids of a chromosome are attached.', 'Chromatids. ... ', 'Prophase. ... ', 'Interphase. ... ', 'Metaphase. ... ', 'Anaphase. ... ', 'Telophase.']
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The three parts of the cell theory are as follows: (1) All living things are made up of cells, (2) Cells are the smallest units (or most basic building blocks) of life, and (3) All cells come from preexisting cells through the process of cell division.
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What are the three main parts of human cells? The plasma membrane, cytoplasm, and nucleus.
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The cell cycle can be separated into two major phases that alternate with each other: interphase, during which the cell grows, prepares for mitosis and duplicates its DNA, and the mitotic (M) phase, in which the cell divides into two genetically identical daughter cells (see figure below).
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['Mitosis. Cell division in which 2 identical cells are produced. ... ', 'Meiosis. Cell division in which 4 sex cells are produced. ... ', 'Interphase. Cell spends most of its time in this phase. ... ', 'Prophase. First and longest phase of mitosis. ... ', 'Metaphase. Second phase of mitosis. ... ', 'Anaphase. ... ', 'Telophase. ... ', 'Cytokinesis.']
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The longest stage of the cell cycle is called interphase. Interphase is the stage that occurs in between cell divisions.
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Daughter Cells in Mitosis Mitosis is the stage of the cell cycle that involves the division of the cell nucleus and the separation of chromosomes. The division process is not complete until after cytokinesis, when the cytoplasm is divided and two distinct daughter cells are formed.
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The cell cycle has two major phases: interphase and the mitotic phase (Figure 1). During interphase, the cell grows and DNA is replicated. During the mitotic phase, the replicated DNA and cytoplasmic contents are separated, and the cell divides.
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DNA replication steps. There are three main steps to DNA replication: initiation, elongation, and termination. In order to fit within a cell's nucleus, DNA is packed into tightly coiled structures called chromatin, which loosens prior to replication, allowing the cell replication machinery to access the DNA strands.
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The cell cycle has two major phases: interphase and the mitotic phase (Figure 1). During interphase, the cell grows and DNA is replicated. During the mitotic phase, the replicated DNA and cytoplasmic contents are separated, and the cell divides. Figure 1.
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Mitosis consists of four basic phases: prophase, metaphase, anaphase, and telophase. These phases occur in this strict sequential order, and cytokinesis - the process of dividing the cell contents to make two new cells - starts in anaphase or telophase.