the
division of
chromosomes previous to
sexual reproduction in
plants and
animals in which the normal
diploid,
somatic number of
chromosomes is reduced to the monoploid (
haploid), single number; same as
meiosis ...
Full article >>>Cell division is the biological basis of life. For simple
unicellular organisms such as the
Amoeba, one
cell division reproduces an entire
organism.
Full article >>>A nuclear
division that produces daughter nuclei each having one-half as many
centromeres as the parental
nucleus. The first meiotic
division reduces the number of
chromosomes and
centromeres to half that of the
original
cell.
Full article >>>Cell Division and the
Cell Cycle (University of Alberta): Similar to this page, but with its own glossary and questions.
Amoeba Proteus
Mitosis Small photomicrographs of
protistan
mitosis.
Full article >>>Division of
Cell Biology &
Immunology, School of Life Sciences, University of Dundee, Dundee DD1 5EH, U.K.
1To whom correspondence should be addressed (e-mail c.watts@dundee.ac.uk).
Abstract: ...
Full article >>>Division of hyphae into
cells is either incomplete, in which case the hyphae are called septate and the dividing walls are called septa (singular: septum), or absent, in which case the hyphae are called coenocytic.
Full article >>>Division of
Biology, 147-75, California Institute of Technology, Pasadena, CA 91125 ...
Full article >>>Division of the
nucleus during the
cell cycle.
karyotype(kar-ee-oh-type) [Gk. kara, the head + typos, stamp or print] ...
Full article >>>Divisions of theology
Theology can be divided up in any number of ways.
Full article >>>division: see
phylum.
DNA:
deoxyribonucleic acid; a
double helix nucleotide molecule containing
deoxyribose,
nitrogenous base, and a
phosphate group; contains the genetic information from which
amino acids are determined.
Full article >>>division Taxonomic rank that includes related
classes; synonymous to
phylum used in
animal systematics.
dizygotic Twins that arise from two different
zygotes, hence, individuals no more closely related than two different-aged siblings.
Full article >>>The
division of the
cytoplasm of a
cell into two
daughter cells and it occurs during
Telophase. See
karyokinesis.
Full article >>>The
division of labor is:
V regions are responsible for
epitope recognition
C regions are responsible for triggering a useful response
So, V regions finger the culprit; the C regions take
action.
Full article >>>Cell divisionRelated Terms:
MitosisThe most frequent process of nuclear
division (
karyokinesis) in
cells that produces
daughter cells that are genetically identical to each other and to the parent
cell.
Full article >>>Cell division does not happen until damage is repaired.
Transcription signals a
strand-preferential repair.
Recombination and
DNA repair can be induced by
DNA damage.
Full article >>>Cell division in multicellular
organisms enables the
organism to grow larger while the
cells remain small. A large surface:volume ratio is due to small
cell size.
Full article >>>Cell division was
originally appreciated primarily from a microscopic observation. You could see things happening and you could see primarily the
chromosomes of the
cell that contain the
DNA, condensing at one time in the
cell cycle and
segregating.
Full article >>>fission --
Division of single-celled
organisms, especially
prokaryotes, in which
mitosis does not occur. Also used to refer to
mitosis in certain
unicellular fungi.
Full article >>>Lab 4
Cell Division Lab 14
Gametogenesis and Development
haploid gametophyteThe part of the life cycle of
plants having
haploid nuclei and giving rise to the
sex cells that on fusing produce a
diploid stage, usually the
sporophyte.
Full article >>>Myxomycota
Division of
Kingdom Protista which includes
slime molds (myxo = slime; myco =
fungus)
N
Natality birth rate
(nata = birth born) ...
Full article >>>Definition:
Division of the
cytoplasm that produces distinct
daughter cells.
Related Resources:
MitosisInformation on
mitosis and the process of mitotic
cell division.
Full article >>>cytokinesis -
division of the
cytoplasm and
plasma membrane of a single
cell into two
cells.
Full article >>>: A temporal sub
division (epoch) of the Tertiary period (58 to 37
Mya
).
Epidemiology ...
Full article >>>The central portion of the
chromosome to which the
spindle fibers attach during mitotic and meiotic
division. Chemotherapy. A treatment for
cancers that involves ad- ministering chemicals toxic to malignant
cells. Chloramphenicol.
Full article >>>Animal -
kingdom composed of multicellular
organisms divided into two
divisions:
vertebrates and
invertebrates, who obtain their food from external sources and reproduce
sexually or
asexually ...
Full article >>>So that it replicates and is segregated during
cell division in the same way as a normal
chromosome. The main uses are in preparation of genomic libraries since very large
inserts (in the Mbp range) can be integrated.
Full article >>>Out of 34 teams in its
division, Darwin United ultimately came in 17th, placing squarely in the middle of the field and outranking half of the
human-written entries.
Full article >>>The number of
mutations per
cell division. The
mutation rate can be determined from a Luria-Dulbruck fluctuation ana
lysis. Sometimes the mutant frequency is described instead of
mutation rate.
Full article >>>The process of
cell division in the
zygote to form a multicellular
embryo. There is usually no growth of
cells (
blastomeres) at this time so the
cells decrease in volume by about 50% with each subsequent
division.
Full article >>>Meiosis: the process of
cell division in which a single
cell produces four
daughter cells each of which contains half of the number of
chromosomes of the parent
cell.
Full article >>>mitosis The multistep process (
interphase,
prophase,
metaphase,
anaphase,
telophase) in eukaryotic
cells that results in the
replication of
chromosomes and
cell division.
Full article >>>The phase of
mitosis, or
cell division, when the
chromosomes align along the center of the
cell. Because
metaphase chromosomes are highly condensed, scientists use these
chromosomes for
gene mapping and identifying chromosomal aberrations.
explained: ...
Full article >>>Centromere: A specialized constricted region of a
chromosome to which
spindle fibers attach during
cell division at which two
sister chromatids (the two exact copies of each
chromosome that are formed after
replication) are joined, ...
Full article >>>abdomen. The
posterior body
division of an arthropod.
abiotic disease. A disease caused by factors other than
pathogens.
abiotic dis
order. A disease caused by factors other than a
pathogen; physiological dis
order.
Full article >>>Order: A
taxonomic sub
division that contains groups of related families or superfamilies; usually ending in -ptera in insects.
Overwinter: A period of rest or hibernation by which insects survive the winter.
Full article >>>Procaryotic
cells replicate by dividing in two by means of
binary fission, a very fast
division process. The rapid
division process allows for rapid
adaptation to the changes in their
environment.
See also eukaryotic
cells.
Protomers: ...
Full article >>>Cloning. The mitotic
division of a progenitor
cell to give rise to a
population of identical
daughter cells or
clones. (See
Directional cloning,
Megabase cloning, Molecular
cloning,
Subcloning.) ...
Full article >>>Meiosis: The production of se x
cells, which are not genetically identical, through a series of
cell divisions. Compare to
mitosis.
Messenger RNA (m
RNA): A single-
stranded
molecule of
ribonucleic acid that directs
protein production.
Full article >>>transformation - morphological changes in a
lymphocyte associated with the onset of
division. Also used to denote the change to the autonomously dividing state of a
cancer cell ...
Full article >>>Mitosis -- nuclear
division. m
RNA --
messenger RNA; an
RNA molecular that functions during
translation to specify the
sequence of
amino acids in a nascent
polypeptide.
Full article >>>'"/>