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PMAT may refer to: Plasma membrane monoamine transporter (PMAT) Four phases of mitosis: prophase, metaphase, anaphase, and telophase: Prophase: Chromatin into chromosomes, the nuclear envelope breaks down, chromosomes attach to spindle fibers by their centromeres. Metaphase: Chromosomes line up along the metaphase plate (center of the cell).
222962 243328 Ensembl ENSG00000164638 ENSMUSG00000050822 UniProt Q7RTT9 Q8R139 RefSeq (mRNA) NM_001040661 NM_001300847 NM_153247 NM_146257 RefSeq (protein) NP_001035751 NP_001287776 NP_694979 NP_666369 Location (UCSC) Chr 7: 5.27 – 5.31 Mb Chr 5: 142.68 – 142.71 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Structure and function The plasma membrane monoamine transporter is an ...
Positive feedback loops play a role by switching cells from low to high Cdk-activity. The interaction between the two types of loops is evident in mitosis. While positive feedback initiates mitosis, a negative feedback loop promotes the inactivation of the cyclin-dependent kinases by the anaphase-promoting complex.
The mitosis process in the cells of eukaryotic organisms follows a similar pattern, but with variations in three main details. "Closed" and "open" mitosis can be distinguished on the basis of nuclear envelope remaining intact or breaking down. An intermediate form with partial degradation of the nuclear envelope is called "semiopen" mitosis.
The eukaryotic cell cycle consists of four distinct phases: G 1 phase, S phase (synthesis), G 2 phase (collectively known as interphase) and M phase (mitosis and cytokinesis). M phase is itself composed of two tightly coupled processes: mitosis, in which the cell's nucleus divides, and cytokinesis, in which the cell's cytoplasm and cell membrane divides forming two daughter cells.
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Between the beginning of the G 1 phase (which is also after mitosis has occurred) and R, the cell is known as being in the G 1-pm subphase, or the post-mitotic phase. After R and before S, the cell is known as being in G 1-ps, or the pre S phase interval of the G 1 phase. [4]
Cell division in prokaryotes (binary fission) and eukaryotes (mitosis and meiosis). The thick lines are chromosomes, and the thin blue lines are fibers pulling on the chromosomes and pushing the ends of the cell apart. The cell cycle in eukaryotes: I = Interphase, M = Mitosis, G 0 = Gap 0, G 1 = Gap 1, G 2 = Gap 2, S = Synthesis, G 3 = Gap 3.