phycoplast An array of microtubules that organizes cell division following mitosis in certain algae. Unlike the phragmoplast found in dividing cells of plants and many algae, the phycoplast consists of microtubules arranged perpendicular to the axis of the mitotic spindle and parallel to the plane of formation of the new cell wall. The new wall may form by infurrowing from the existing walls or by deposition of a cell plate.
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Cell Wall , With very few exceptions, all cells are enveloped by an extracellular matrix composed of proteins , carbohydrates , and other substances. Owing to it… Protoplast , pro·to·plast / ˈprōtəˌplast/ • n. chiefly Bot. the protoplasm of a living plant or bacterial cell whose cell wall has been removed. DERIVATIVES: pro·… Cells , Cells Plants are multicellular organisms composed of millions of plant cells. Although individual cells may differ greatly from each other in mature… Phragmoplast , phragmoplast The region between the daughter nuclei of a dividing plant cell. At first it contains only microtubules, but it develops into a barrel-s… Cell , Cell The cell is the basic unit of a living organism. In multicellular organisms (organisms with more than one cell), a collection of cells that work… Plasma Membrane , Plasma membranes envelop all plant and animal cells and all single-celled eukaryotes and prokaryotes , separating them from their environments. Struc…
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