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Image:Map of USA.png – United States with outlines for individual states. Image:Map of USA-bw.png – Black and white outlines for states, for the purposes of easy coloring of states. Image:BlankMap-USA-states.PNG – US states, grey and white style similar to Vardion's world maps.
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redid the whole smooth endoplasmic reticulum and the golgi aparatus. adedmore clear ribosomes. arranged centrioles in a centrosome with microtubula. aactin filaments and intermediate filaments. may still have to arrange text.
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3D rendering of centrioles showing the triplets. In cell biology a centriole is a cylindrical organelle composed mainly of a protein called tubulin. [1] Centrioles are found in most eukaryotic cells, but are not present in conifers (), flowering plants (angiosperms) and most fungi, and are only present in the male gametes of charophytes, bryophytes, seedless vascular plants, cycads, and Ginkgo.
The mother centriole just aids in the accumulation of materials required for the assembly of the daughter centriole. [17] Centrosome (shown by arrow) next to nucleus. Centrioles, however, are not required for the progression of mitosis. When the centrioles are irradiated by a laser, mitosis proceeds normally with a morphologically normal spindle.
The foundation of the cilium is the basal body, a term applied to the mother centriole when it is associated with a cilium. Mammalian basal bodies consist of a barrel of nine triplet microtubules, subdistal appendages and nine strut-like structures, known as distal appendages, which attach the basal body to the membrane at the base of the cilium.