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Protists - Living Material
Live specimens are used for a wide variety of studies including studying the physiological effects of drugs on a specimen’s heartbeat and temperature on metabolism, the locomotion of microscopic organisms, and studying plant respiration, photosynthesis, plosmolysis, and more. Algal cultures form colonies of cells that are extremely easy to visualize for better understanding of cell walls and plastids, and many live specimens reproduce rapidly for quick turnover between successive tests.
Applied Filters
Filters
Applied Filters
Ward's® Thalassiosira
Marine. Unicellular; brackish, centric cells. Marine medium.
Characterized by shells (tests) made of silica, in two parts.
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Polysiphonia
Marine. Filamentous; polysiphonious construction. Collected.
Characterized by reddish plastids (rhodoplasts).
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Synedra
Freshwater, Unicellular; pennate, with bilateral symmetry. Diatom or basic medium.
Characterized by shells (tests) made of silica, in two parts.
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Microspora
Freshwater. Filamentous; H-shaped cell walls. Soil-water medium.
Characterized by green plastids and cell walls composed of cellulose.
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Fritschiella
Freshwater. Filamentous; displays high degree of differentiation. Basic culture solution.
Characterized by green plastids and cell walls composed of cellulose.
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Ward's® Phacus
Freshwater. Unicellular; heart-shaped cell. Soil-water medium.
Characterized by a lack of rigid cellulosic walls, instead these organisms have pellicles made of protein. They store paramylon instead of starch.
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Zygnema
Freshwater. Filamentous; two stellate chloroplasts per cell. Basic culture solution.
Characterized by green plastids and cell walls composed of cellulose.
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Ward's® Ulva
Marine, Macroalga, Multicellular; membranous thallus. Collected. Characterized by green plastids and cell walls composed of cellulose.
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Ward's® Peridinium
Freshwater. Unicellular. Soil-water medium. Characterized by two flagella (one inside a groove at right angles to the other); most also have tests made of cellulose and are encrusted with silica.
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Ward's® Live Chlorella pyrenoidosa Culture
This species of freshwater algae is commonly used for research on photosynthesis.