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Topic: Binary fission


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In the News (Thu 23 May 19)

  
  response73   (Site not responding. Last check: 2007-10-03)
Prokaryotic cells divide by binary fission and eukaryotic cells divide by mitosis.
Binary fission and mitosis result in daughter cells genetically identical to the parent cell.
In fission, the duplicated circular chromosomes (there are now two identical chromosomes) each attach to the bacterial cell membrane.
novaonline.nv.cc.va.us /eli/biotoday/response26.htm   (144 words)

  
 Binary fission - Wikipedia, the free encyclopedia
Binary fission is the form of asexual reproduction used by most prokaryotes and protists to reproduce.
Binary fission is asexual; offspring are supposed to be genetically identical to the parent cell, but due to mutation, daughter cells may have slightly differed genetic makeups.
Organisms that reproduce through binary fission generally grow exponentially.
en.wikipedia.org /wiki/Binary_fission   (333 words)

  
 Ternary and quaternary fission
A peculiarity of low energy fission is the asymmetry of the mass division: in the lighter actinides from Thorium to Einsteinium, the nuclei disintegrate asymmetrically in the sense that predominantly a heavier and a lighter fragment is produced.
Stated in other words, binary fission should correspond to a single rupture of the neck filament, while in ternary fission the neck is cut at two places before the stubs of the neck can recede and be absorbed by the fragments.
It should be noted that the lightest fragment in the light group is complementary to the heaviest fragment in the heavy group (asymmetric fission) and vice versa for the lightest fragment in the heavy group and the heaviest fragment in the light group (near symmetric fission).
www.europhysicsnews.com /full/31/article4/article4.html   (3937 words)

  
 The Sections
Members of Section I are unicellular cyanobacteria whose cells may be spherical, cylindrical or oval; most reproduce by binary fission, which may occur in one, two or three planes; some reproduce by asymmetric binary fission (budding); colonial forms are held together by mucilage or sheath.
Members of Section III are filamentous cyanobacteria whose trichomes reproduce by binary fission in a single plane at right angles to the long axis and are consequently uniseriate.
Cyanobacteria assigned to Section IV are filamentous organisms that reproduce by binary fission in a single plane to produce uniseriate trichomes.
www.pasteur.fr /recherche/banques/PCC/Sectdesc.htm   (727 words)

  
 Discussion
However, it is not uncommon to observe closely-joined binary pairs of shells (usually one shell slightly smaller than the other) connected by strands of cytoplasm in living colonies (as in Figure 5).
Until we have more substantial evidence about the number of species that undergo binary fission, and the frequency of occurrence in a population, it will be difficult to make inferences about its significance for radiolarian ecology and population dynamics.
However, if there are further stages of binary fission within each generation in some radiolaria (as suggested previously in the literature and reported further here), this would permit additional stages of asexual proliferation of the radiolaria without swarmer production.
www.nhm.ac.uk /hosted_sites/pe/1998_1/anderson/discus.htm   (1472 words)

  
 Microbial Growth   (Site not responding. Last check: 2007-10-03)
Because most bacteria grow by binary fission, doubling in cell number usually occurs at the same rate that individual cells grow and divide.
Binary fission is the process by which most procaryotes replicate.
Binary fission generally involves the separation of a single cell into two more or less identical daughter cells, each containing, among other things, at least one copy of the parental DNA.
www.mansfield.ohio-state.edu /~sabedon/biol2025.htm   (2779 words)

  
 The Discovery of Fission, 1938-1939
Fission, the basis of the atomic bomb, was discovered in Nazi Germany less than a year before the beginning of the Second World War.
It soon became clear that the process of fission discovered by Hahn and Strassmann had another important characteristic besides the immediate release of enormous amounts of energy.
The energy released when fission occurred in uranium caused several neutrons to "boil off" the two main fragments as they flew apart.
www.cfo.doe.gov /me70/manhattan/discovery_fission.htm   (463 words)

  
 Binary Fission
Binary fission is used by most prokaryotes for asexual reproduction.
The fission process begins when the DNA of the mother cell is replicated and joins into a circular structure, pair by pair; each circular DNA strand then attaches to the plasma membrane.
Molecular Biology of the Fission Yeast by Anwar Nasim, et al
www.iscid.org /encyclopedia/Binary_Fission   (220 words)

  
 Binary Fission   (Site not responding. Last check: 2007-10-03)
The cell replication of prokaryotic cells is known as binary fission.
These archaic cells reproduce simply by replicating their single chromosome into a duplicate ring and then dividing the cell into two distinct "daughter cells".
Since prokaryotes lack a cell nucleus and various other organelles common to eukaryotic cells, they have the single replicated chromosome move to one end of the cell and "asexually" replicate, hence the term "fission".
www.expage.com /binaryfission   (78 words)

  
 A protozoan undergoes "binary fission" - with some help!
These images, captured from video using a Snappy video grabber, illustrate the final stages of protozoan asexual reproduction (a process known as "binary fission").
Binary fission generally produces daughter cells with genetic material (DNA) identical to that of the parent.
It is an efficient way for protozoa to increase in number during periods when environmental conditions are relatively stable.
www.microscopy-uk.org.uk /mag/art98/celldiv.html   (268 words)

  
 National Partnership for Advanced Computational Infrastructure: Archives
Stars are born from clouds of gas and dust as singular stars, pairs of stars--called binary systems--or clusters.
Binary star systems exhibit a wide range of orbital periods--from days to tens of thousands of years--and mean distances from one another, with a median at about 50 astronomical units (AU).
The next step is to perform hydrodynamics simulations of evolved unequal mass binary systems, in which there is mass transfer between the stars, which is the topic of Motl's dissertation work.
www.npaci.edu /enVision/v15.2/tohline.html   (1330 words)

  
 Cyanobacterial Taxonomy '79
Unicellular cyanobacteria that reproduce by binary fission or by budding
unicellular cyanobacteria with cylindrical to ovoid cells that reproduce by binary transverse fission
binary fission yields pear-shaped structure of one or two basal cells and one apical cell
www-cyanosite.bio.purdue.edu /taxon79.html   (522 words)

  
 What's in your Dog Dish? - BIOFILMS   (Site not responding. Last check: 2007-10-03)
The constriction between the newly formed cells is known as the septum.
Bacillus bacterium reproducing by binary fission in a biofilm from a dog dish.
Binary fission of a bacteria growing in a biofilm in the turtle pond.
invsee.asu.edu /nmodules/biofilms/repro.html   (84 words)

  
 binary fission
Binary fission begins when the DNA of the cell is replicated.
Binary fission theoretically results in two identical cells.
However, the DNA of bacteria has a relatively high mutation rate.
www.daviddarling.info /encyclopedia/B/binary_fission.html   (333 words)

  
 Binary - Definitions of the SI units: The binary prefixes   (Site not responding. Last check: 2007-10-03)
The usual method of prokaryote cell division is termed binary fission.
A binary tree is a tree-like structure that is rooted and in which each vertex par The height of a binary tree is the number of levels within the tree.
Binary representation of a number employs only two digits -0 and 1- and, Whilst binary seems completely synonymous with the on-off states of electronic
portalexplore.com /?q=binary   (432 words)

  
 Discuss the advantages and disadvantages of asexual reproduction by making reference to different types of asexual ...
Discuss the advantages and disadvantages of asexual reproduction by making reference to different types of asexual reproduction in plants and animals(Refer to cloning, binary fission, formation, vegetative reproduction, parthenogenesis, budding and fragmentation).
To ensure the continuation of the species, plants and animals use two methods of reproduction - sexual and asexual.
Asexual reproduction is more reliable than sexual, because there are less steps to follow and therefore less can go wrong, for instance pollen transfer is very flimsy and since asexual reproduction doesn't need this, it is more reliable.
library.thinkquest.org /22016/contribute/asex_sex.htm   (705 words)

  
 Propagation by sporulation in the guinea pig symbiont Metabacterium polyspora -- Angert and Losick 95 (17): 10218 -- ...
by a modification of the process of binary fission.
The ileum contains cells undergoing binary fission (ii) and cells with asymmetrically positioned septa (iii).
[Cells undergoing binary fission (ii) are surrounded by a spore coat, which is best seen under higher magnification and by DIC microscopy as in Fig.
www.pnas.org /cgi/content/full/95/17/10218   (2961 words)

  
 Binary Fission v1
Hi, my name is Matt and I would like to introduce Binary Fission v1.2.
Binary Fission is that it allows you to gain the power of your opponent and
I began with Binary Fission v1.0 last summer and have improved it ever
www.pojo.com /KillerDecks/2001/February01/26i.htm   (540 words)

  
 Definition of binary fission   (Site not responding. Last check: 2007-10-03)
Edu nuclear fission power nuclear power plant works the water turns a turbine.
Both are available from a bacterial disease, definition of binary fission and other nuclei of nuclear fission.
Index fission concepts hyperphysics definition of binary fission nuclear power plant burns fuel is spent.
fission.bankdesignmagazine.com /definition-of-binary-fission.html   (168 words)

  
 CHAPTER 9, CELLULAR REPRODUCTION AND THE CELL CYCLE QUIZ   (Site not responding. Last check: 2007-10-03)
The speed of binary fission used by bacteria is
Binary fission by bacteria differs from mitosis because
a) mitosis b) binary fission c) cytokinesis d) karyokinesis e) None of the above.
www.sirinet.net /~jgjohnso/apbio9quiz.html   (1765 words)

  
 The Open Door Web Site : Biology : Asexual reproduction in single-celled organisms   (Site not responding. Last check: 2007-10-03)
If, however, the filament is broken into pieces, each part can grow into a new plant.
Binary fission and budding are very rapid ways of reproducing.
For example, if conditions are good, the cell of a Paramecium can divide, grow, and divide again in the space of 8 hours.
www.saburchill.com /ans02/chapters/chap050.html   (192 words)

  
 RAND | Papers | A mathematical model for multiplication by binary fission.
A mathematical model for multiplication by binary fission.
For fax or mail orders, use the normal cover pricing and this PDF form.
An explanation of the use of the "point of regeneration" in the mathematical treatment of the multiplication of biological cells by binary fission.
www.rand.org /pubs/papers/P1563   (237 words)

  
 Prokaryotes reproduce by binary fission, a process during which bacteria replicate their chromosomes and equally ...   (Site not responding. Last check: 2007-10-03)
Prokaryotes reproduce by binary fission, a process during which bacteria replicate their chromosomes and equally distribute copies between the two daughter cells.
The chromosome is replicated; each copy remains attached to the plasma membrane at adjacent sites.
A cell wall forms across the bacterium between the two chromosomes, dividing the original cell into two daughter cells.
www.d.umn.edu /biology/courses/bio1011/binaryfission.htm   (108 words)

  
 Agripedia, Interactive Multimedia Instructional Agriculture Resources   (Site not responding. Last check: 2007-10-03)
Asexual reproduction is by binary or multiple fission
Asexual reproduction is by binary fission, multiple fission, or plasmotomy (cytoplasmic fission of multinucleate cell)
Asexual reproduction is by binary fission and budding
www.ca.uky.edu /Agripedia/Classes/PLS566/CLASS13.asp   (774 words)

  
 Regents Biology/Asexual Reproduction Quiz
A structure found during animal cell mitosis that is NOT found during plant cell mitosis is a (1.) centriole (2.) cell plate (3.) cell membrane (4.) mitochondrion
Identify the structure indicated by arrow B. Plants that are grown from undifferentiated cells of leaves, stems, or roots are produced
in the ground is a method of reproduction known as (1.) binary fission
www.ekcsk12.org /science/regbio/mitosisqz.html   (1048 words)

  
 Binary fission - EvoWiki   (Site not responding. Last check: 2007-10-03)
Binary fission is the biologcal process by which all bacteria reproduce as a method of asexual reproduction.
It involves the division of a single cell into two identical daughter cells, each containing a copy of the parental DNA.
This page was last modified 11:19, 25 August 2006.
wiki.cotch.net /index.php/Binary_fission   (47 words)

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