Search Results for: mitosis
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
Parental chromosomes are together but still apart at first mitosis
A recent finding by a team of researchers from European Molecular Biology Laboratory on the parental chromosomes during the... Read More
Multipolar mitosis
Multipolar mitosis Abberant mitotic figures, where the chromosomal material is pulled to more than two poles. Multipolarity... Read More
Quantal mitosis
quantal mitosis A controversial concept in cellular differentiation proposed by H. Holtzer and defined by him as a mitosis... 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
Binary fission
Binary fission definition What is binary fission? In biology, binary fission is a type of asexual reproduction where a... Read More
Centrosome
Centrosome Definition What is a centrosome? The centrosome is considered to be the main microtubule-organizing... 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
Homologous chromosome
A homologous chromosome pertains to one of a pair of chromosomes with the same gene sequence, loci, chromosomal length, and... Read More
Sexual reproduction
Sexual reproduction is a mode of reproduction involving the fusion of haploid female gamete (egg cell) and haploid male... Read More
Chromatids
Definition noun, singular: chromatid The two strands joined together by a single centromere, formed from the duplication of... Read More
Endomitosis
Endomitosis (Science: cell biology) chromosome replication without mitosis, leading to polyploidy. Many rounds of... Read More
Prometaphase
Definition noun The phase of mitosis between prophase and metaphase wherein the nuclear envelope breaks down and form... 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
Cell cycle
Definition noun (cell biology) The sequence of growth and division of a cell, and consists of a series of biological... Read More
Cell division
Definition noun, plural: cell divisions The process in which the parent cell divides, eventually giving rise to new daughter... Read More
Vascular plants
Definition of Vascular plants The term 'vascular' is derived from the Latin word vāsculum, vās, meaning "a container and... Read More
Plant Cells vs. Animal Cells
Plant Cells Most cells are not visible with the naked eye. However, with microscopes of various types, plant cells can be... Read More
Human Reproduction
Terminology and Concepts Primary reproductive organs are called gonads - testes in the male and ovaries in the female.... 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
Kinetochore
Definition noun, plural: kinetochores A protein complex that assembles at the centromeric region of the chromosome during... Read More
Astral microtubule
Definition noun, plural: astral microtubules Any of the microtubules radiating from the pericentriolar region (or the... Read More
Spindle fiber
Definition noun, plural: spindle fibers Any of a network of filaments that collectively form a mitotic spindle (in... Read More
Asexual reproduction
Asexual Reproduction Definition What is asexual reproduction? Asexual reproduction is a mode of reproduction that does not... Read More
Demecolcine
Definition noun (cytogenetics) A cytotoxic alkaloid isolated from Colchicum autumnale, and is used as an antineoplast... 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
Sister chromatids
Definition noun, singular: sister chromatid The two identical strands joined by a common kinetochore as a result of a... Read More