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Centrioles in Medical News

CSHL scientists discover link between control of chromosome duplication and segregation

...ratory found that Orc1 also controls the number of centrioles in a cell. Before a pair is copied, the two centrioles normally stay connected to each other. Upon the ce...hesizes that it is this "engagement" of the paired centrioles that stops the original centriole pair from duplic...
Centrioles in Medical Dictionary

Cilia

...ctions of a set of microtubules inside. ... This book is concerned with the progression from molecules to multicellular organisms. ... Cilia and centrioles 27 Introduction Ciliary beating is an ... Non-motile primary cilia (see below) have a 9 + 0 structure, lacking the two ... Cilia are found i...
Centrioles in Biological News

Green algae -- the nexus of plant/animal ancestry

...ary split of the two lineages. The flagella are equivalent to the cilia and centrioles in animal cells. centrioles are structures involved in cell division; they form a spindle apparatus, wh...
Centrioles in Biological Definition

Centriole

...as certain algae and fungi, there exists a pair of centrioles arranged perpendicularly to each other; these are ...se to the nucleus) is known as the centrosome . centrioles are important in the cell division process, orga... cells may be able to separate without centrioles. centrioles assist the cell through the process of mitosis . ...

Centrosome

...d close to the nucleus, and consists of a pair of centrioles arranged perpenidcularly to each other (in this c...ion for cell division. Interestingly, the pair of centrioles that make up each controsome is not apparently necessary for the creation of the spindle. When the centrioles are destroyed, for example by a laser , the spind...

Eukaryote

...d internal rods. Their interior is continuous with the cell's cytoplasm. centrioles are often present even in cells and groups that do not have flagella. They...with one flagellum retained from the parent and the other derived from it. centrioles may also be associated in the formation of a spindle during nuclear divisio...

Flagellum

...g center for flagellar microtubules and is about 500 nanometers long. Basal bodies are structually identical to and functionally interchaglable with centrioles in the animal cells. The flagellum is encased within the cell's plasma membrane , so that the interior of the flagellum is accessible to the cell's...

Meiosis

...raction and staining of all chromosomes, as well as the polar migration of centrioles , the dispersion of the nucleoli and nuclear envelope and the formation of ... envelope again as well as the shortening and thickening of the chromatids. centrioles move to the polar regions and are arranged by spindle fibres. This arrangem...

Mitosis

...gth of the spindle (growing the microtubules), the centrioles push apart to opposite ends of the cell nucleus. I... cases chromosomes move back and forth between the centrioles randomly, only roughly lining up along the midline... apart by the microtubules, towards the respective centrioles to which they are attached. Next, the spindle axis...

Plant

...g cellulose and chloroplasts containing chlorophylls a and b , and store food in the form of starch . They undergo closed mitosis without centrioles , and typically have mitochondria with flat cristae. The chloroplasts of green plants are surrounded by two membranes, suggesting they originated ...

Plant

...g cellulose and chloroplasts containing chlorophylls a and b , and store food in the form of starch . They undergo closed mitosis without centrioles , and typically have mitochondria with flat cristae. The chloroplasts of green plants are surrounded by two membranes, suggesting they originated ...

Prophase

...the centriole , which serves as a sort of anchor. During prophase, the two centrioles - which replicate independently of mitosis - begin recruiting microtubules...em. By increasing the length of the spindle (growing the microtubules), the centrioles push apart to opposite ends of the cell nucleus. See also prometaph...

Mitosis

...gth of the spindle (growing the microtubules), the centrioles push apart to opposite ends of the cell nucleus. I... cases chromosomes move back and forth between the centrioles randomly, only roughly lining up along the midline... apart by the microtubules, towards the respective centrioles to which they are attached. Next, the spindle axis...
Centrioles in Biological Dictionary

Centrioles

A centriole is a barrel-shaped organelle found in most animal eukaryotic cells, though absent in higher plants and most fungi. The walls of each centriole are usually composed of nine triplets of microtubules . Deviations... Centrioles are self-replicating organelles made up of ......

Centrosome

...lasm adjacent to the nucleus that contains the centrioles and serves to organize microtubules After grad... cell division, the centrosome divides and the centrioles replicate ... For resources and information on...ome is reconstituted from two gametes at ... centrioles are self-replicating organelles made up of nine ...

Centriole

... of nine ... body/ centriole assembly and ... centrioles are self-replicating organelles made up of ... centrioles play a notable role in ... first the two pairs of centrioles remain in close proximity to ... Encyclopedia ...
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