Search Results for: poles
Sister chromatids
Sister Chromatids Definition Sister chromatids are defined as the two identical copies of a single replicated chromosome... Read More
Cytokinesis
The cell cycle of eukaryotes is a cyclical series of biological events that certain asexual cells go through. The cell cycle... Read More
Prophase I
Organisms all use mitosis to create more cells in the body. Meiosis, a similar process, is used in some organisms to undergo... Read More
Meiotic spindle
Meiotic Spindle Definition The meiotic spindle refers to the spindle apparatus that forms during meiosis in contrast to... Read More
Spindle fiber
Definition noun, plural: spindle fibers Any of a network of filaments that collectively form a mitotic spindle (in... Read More
Cytoskeleton
Definition noun plural: cytoskeletons cy·to·skel·e·ton (cell biology) The lattice or internal framework of a cell... Read More
Multipolar mitosis
Multipolar mitosis Abberant mitotic figures, where the chromosomal material is pulled to more than two poles. Multipolarity... Read More
Centrosome
Centrosome Definition What is a centrosome? The centrosome is considered to be the main microtubule-organizing... Read More
Chromatids
Chromatid Definition Chromatids are found inside our cells. Chromatids are condensed chromosomes distinguishable during... Read More
Disjunction
Definition noun The normal separation or moving apart of chromosomes toward opposite poles of the cell during cell... Read More
Microfilament
Definition noun plural: microfilaments mi·cro·fil·a·ments, mī'krō-fil'ă-mĕnts A thin, helical, single-stranded... Read More
Microtubule
Microtubule Definition noun plural: microtubules mi·cro·tu·bule, mī'krō-tū'byūlA cytoplasmic tubule made up of... Read More
Mitotic spindle
Definition noun The collective term for all the spindle fibers that form during mitosis Supplement The spindle apparatus is... Read More
Cell matrix
Definition noun plural: cell matrices cell ma·trix, ˈmeɪtɹɪks An insoluble, dynamic gel in the cytoplasm, believed... Read More
Non-sister chromatid
Definition noun, plural: non-sister chromatids Either of the two chromatids of any of the paired (homologous)... Read More
Meiosis – The Genetics of Reproduction
The genetic information found in DNA is essential in creating all the characteristics of an organism. This remains the case... Read More
Binary fission
Binary Fission Definition What is binary fission? In biology, binary fission is a type of asexual reproduction where a... Read More
Cells know when to separate at mitosis
How do cells know when to separate during mitosis? A molecule called BubR1 was found to regulate the timing of the division... Read More
Metaphase plate
Definition noun The plane in the equatorial region of the spindle where chromosomes align during cell division (i.e. mitosis... Read More
Metaphase II
Definition noun The second stage in meiosis II after prophase II, and highlights the alignment of chromosomes along a single... Read More
Nuclear division
Definition noun The process by which a nucleus divides, resulting in the segregation of the genome to opposite poles of a... Read More
Spindle apparatus
Definition noun Any of a network of filaments that collectively form a mitotic spindle (in mitosis) and meiotic spindle... Read More
Meiosis and Alternation of Generations
Review of Mitosis: Cell Cycle The cell cycle contains the process in which cells are either dividing or in between... Read More
Community (biology)
Community, in biology, refers to the assemblage of interacting organisms (either of the same or different species)... Read More
Metaphase I
Definition noun The second stage in the first meiotic division after prophase I, and highlights the alignment of paired... Read More
Intermediate filament
Definition noun plural: intermediate filaments A type of cytoskeleton characterized by having a diameter ranging from 8... Read More
Prophase II
Definition noun The first stage in meiosis II highlighted by the disintegration of nucleolus and nuclear envelope, the... Read More
Telophase II
Definition noun The stage in meiosis II after anaphase II, and identified by the complete movement and separation of the... Read More
Anaphase II
Definition noun The third stage in meiosis II after prophase II, and highlights the separation of the sister chromatids of... Read More
Microtubule organizing center
Definition noun A structure inside the cell from where microtubules organize following depolymerization to turn into tubular... Read More
Anaphase I
Definition noun The third stage in the first meiotic division after prophase I, and highlights the separation of paired... Read More
Polar compound
Definition noun, plural: polar compounds A compound made up of molecules joined by assymetrical polar... Read More