34 results found

Search Results for: mitotic spindle

Mitotic spindle

Definition noun The collective term for all the spindle fibers that form during mitosis Supplement The spindle apparatus is... Read More

Meiotic spindle

Meiotic Spindle Definition The meiotic spindle refers to the spindle apparatus that forms during meiosis in contrast to... 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

Telophase

Telophase is the stage of cell division characterized by the decondensation of chromosomes, and the nuclear envelope... Read More

Sister chromatids

Sister Chromatids Definition Sister chromatids are defined as the two identical copies of a single replicated chromosome... Read More

Meiosis

What is Meiosis? A simple definition of meiosis would be is this: meiosis is the process of cell division that results in... Read More

Prophase

Prophase is the first stage of mitosis; the very first step in this crucial process of the M-phase of the cell cycle. Now as... Read More

Centrosome

Centrosome Definition What is a centrosome? The centrosome is considered to be the main microtubule-organizing... Read More

Spindle

Definition noun, plural: spindles (1) A collection of minute fibers composed of microtubules, which are prominent during... Read More

Anaphase

In order to keep the process of biological existence ever-going, the phenomenon of cell multiplication is very important.... 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

Spindle fiber

Definition noun, plural: spindle fibers Any of a network of filaments that collectively form a mitotic spindle (in... Read More

Mitosis

Mitosis Definition What is mitosis? In biology, mitosis refers to the cellular process where a single cell divides... 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

Cell division

Cell division is a biological process by which a parent cell duplicates its cell contents and divides to give rise to two or... Read More

Microtubule

Microtubule Definition noun plural: microtubules mi·cro·tu·bule, mī'krō-tū'byūlA cytoplasmic tubule made up of... Read More

Metaphase

Metaphase Definition Metaphase is the third phase of mitosis after prophase and before anaphase. Mitosis is the process by... Read More

Centromere

Centromere Definition Centromere is defined as the point of attachment for the sister chromatids generated after DNA... Read More

Microtubule organizing center

Definition noun A structure inside the cell from where microtubules organize following depolymerization to turn into tubular... 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

Interphase

Interphase is the critical period in the eukaryotic cell cycle characterized by a sequence of events like the G1 phase where... 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

Chara

Chara --> characean algae (Science: organism) class of filamentous green algae exemplified by the genus chara, in which... Read More

Animal

Animal Definition An animal (plural: animals) refers to any of the eukaryotic multicellular organisms of the biological... Read More

Characean algae

Characean algae (Science: organism) class of filamentous green algae exemplified by the genus chara, in which the mitotic... Read More

Kinetochore

Definition noun, plural: kinetochores A protein complex that assembles at the centromeric region of the chromosome during... 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

Colcemid

Definition noun (cytogenetics) A methylated derivative of colchicine capable of depolymerizing microtubules and arresting... Read More

Chromatin

Chromatin Definition What is chromatin in a cell? Chromatin is a complex of nucleic acids (e.g. DNA or RNA) and proteins... 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

Metaphase I

Definition noun The second stage in the first meiotic division after prophase I, and highlights the alignment of paired... 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

Aster

Definition noun, plural: asters (cell biology) A star-shaped cluster of microtubules radiating from the pericentriolar... Read More

Cell Structure

The interior of human cells is divided into the nucleus and the cytoplasm. The nucleus is a spherical or oval-shaped... Read More