نتایج جستجو برای: diatoma
تعداد نتایج: 43 فیلتر نتایج به سال:
Mitosis in Surirella is described; this organism displays a number of unusual features including an unorthodox method of chromosome attachment to the spindle, and the differentiation of an extranuclear central spindle from a large spherical organelle named the microtubule center (MC). The MC, present during interphase, breaks down at late prophase as the central spindle is formed. Later, the sp...
One of the unique and important aquatic species of Anzali wetland, Anadonta cygnea, native Anzali wetland and its rivers, and the most important two-body system of this blue system, has declined sharply in recent years due to various reasons. Is this species is considered to be smuggling and has a special sensitivity to environmental changes (biological pollution assessment).Anzali Wetland is a...
Living beings often produce remarkable structures, such as the silica shells of diatoma, or the sophisticated structures of striated muscles. One major current problem is to invent useful objects inspired by these structures, but simpler, and able to be produced in short times. Some examples will be presented. "Subtleties and Differences in the Interactions of Biological and Non-Biological Mole...
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