Where is a Centriole found and what are its functions ??

Question

In simple english and in your own words.

Answer 1

well during mitosis and meiosis the centriole is found at either of the ends of the cell thats about to divide, from teh centriole there are fibers that will lengthen and sorta grab on to the chromosome, and attach at the chromosomes centromere. the fibers shorten and as a result pull apart the chromosomes.

Answer 2

CENTRIOLE:

A centriole is a barrel shaped organelle found in most animal eukaryotic cells, though absent in higher plants and fungi. The walls of each centriole are usually composed of nine triplets of microtubules (protein of the cytoskeleton). Deviations from this structure include Drosophila melanogaster embryos, with nine doublets, and Caenorhabditis elegans sperm cells and early embryos, with nine singlets. An associated pair of centrioles, arranged perpendicularly and surrounded by an amorphous mass of dense material (known as the pericentriolar material) constitutes the compound structure known as the centrosome.

FUNCTIONS:

Cell division:

Centrioles are involved in the organization of the mitotic spindle and in the completion of cytokinesis.Centrioles were historically thought to be required for the formation of a mitotic spindle in animal cells. However, more recent experiments have demonstrated that cells whose centrioles have been removed via laser ablation can still undergo mitosis.Additionally, mutant flies lacking centrioles can develop almost normally, although the adult flies lack flagella and cilia, a lack that underscores the requirement of centrioles for the formation of these organelles (see below).Cells whose centrioles have been removed (either via laser ablation, or genetic manipulation) lack aster microtubules. These cells often fail to undergo proper asymmetric cell division, as the aster microtubules help to position the spindle within the cell.

Cellular organization:

Centrioles are a very important part of centrosomes, which are involved in organizing microtubules in the cytoplasm.The position of the centriole determines the position of the nucleus and plays a crucial role in the spatial arrangement of cell organelles.

Ciliogenesis:

In organisms with flagella and cilia, the position of these organelles is determined by the mother centriole, which becomes the basal body. An inability of cells to use centrioles to make functional cilia and flagella has been linked to a number of genetic and developmental diseases. In particular, the inability of centrioles to properly migrate prior to ciliary assembly has recently been linked to Meckel-Gruber syndrome.

Animal development:

Additionally, proper orientation of cilia via centriole positioning toward the posterior of embryonic node cells is critical for establishing left–right asymmetry during mammalian development.

Answer 3

ojk...i'll try to make it simple. Centriole is located inside an animal cell. It's used for connecting spindle string which spread through the center of the cell during duplication (at metaphase, exactly). It's like a queque line that has both ends (which is the centriole).

I hope u got it clearly.