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  2. Centromere - Wikipedia

    en.wikipedia.org/wiki/Centromere

    An acentric chromosome is fragment of a chromosome that lacks a centromere. Since centromeres are the attachment point for spindle fibers in cell division, acentric fragments are not evenly distributed to daughter cells during cell division. As a result, a daughter cell will lack the acentric fragment and deleterious consequences could occur.

  3. Eukaryotic chromosome fine structure - Wikipedia

    en.wikipedia.org/wiki/Eukaryotic_chromosome_fine...

    Throughout the eukaryotic kingdom, the overall structure of chromosome ends is conserved and is characterized by the telomeric tract - a series of short G-rich repeats. This is succeeded by an extensive subtelomeric region consisting of various types and lengths of repeats - the telomere associated sequences (TAS). [ 1 ]

  4. Receptor-mediated endocytosis - Wikipedia

    en.wikipedia.org/wiki/Receptor-mediated_endocytosis

    Although receptors and their ligands can be brought into the cell through a few mechanisms (e.g. caveolin and lipid raft), clathrin-mediated endocytosis remains the best studied. Clathrin-mediated endocytosis of many receptor types begins with the ligands binding to receptors on the cell plasma membrane.

  5. Autoimmune regulator - Wikipedia

    en.wikipedia.org/wiki/Autoimmune_regulator

    The autoimmune regulator (AIRE) is a protein that in humans is encoded by the AIRE gene. [5] It is a 13kbp gene on chromosome 21q22.3 that encodes 545 amino acids. [6] AIRE is a transcription factor expressed in the medulla [broken anchor] (inner part) of the thymus.

  6. Rad50 - Wikipedia

    en.wikipedia.org/wiki/Rad50

    19360 Ensembl ENSG00000113522 ENSMUSG00000020380 UniProt Q92878 P70388 RefSeq (mRNA) NM_133482 NM_005732 NM_009012 RefSeq (protein) NP_005723 n/a Location (UCSC) Chr 5: 132.56 – 132.65 Mb Chr 11: 53.54 – 53.6 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse DNA repair protein RAD50, also known as RAD50, is a protein that in humans is encoded by the RAD50 gene. Function The protein ...

  7. Fluvioglacial landform - Wikipedia

    en.wikipedia.org/wiki/Fluvioglacial_landform

    A recessional moraine is a ridge of deposited debris that occurs when the glacier is stationary for an extended length of time. [27] This occurs when a glacier meaning the glacier is in equilibrium or has halted during retreat . The occurrence of end moraines can be useful for determining a pattern of advance, retreat, and equilibrium of a ...

  8. Endoplasmic reticulum - Wikipedia

    en.wikipedia.org/wiki/Endoplasmic_reticulum

    The functions of the endoplasmic reticulum can be summarized as the synthesis and export of proteins and membrane lipids, but varies between ER and cell type and cell function. The quantity of both rough and smooth endoplasmic reticulum in a cell can slowly interchange from one type to the other, depending on the changing metabolic activities ...

  9. Telophase - Wikipedia

    en.wikipedia.org/wiki/Telophase

    Telophase (from Ancient Greek τέλος 'end, result, completion' and φάσις (phásis) 'appearance') is the final stage in both meiosis and mitosis in a eukaryotic cell. During telophase, the effects of prophase and prometaphase (the nucleolus and nuclear membrane disintegrating) are reversed.