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Paramecium caudatum, Culture, Class Size 30

by Flinn Scientific

Item #: LM1076

Price: $8.00

Protists, Ciliates are unicellular organisms characterized by movement using cilia or ciliary-derived structures. This group is commonly studied in feeding behavior and simple response studies. Possession of cilia is the only common characteristic.

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Item# LM1241 LM1160 LM1159 LM1077 LM1162 LM1161 LM1076 LM1175 LM1240 LM1079 LM1078
Type Paramecium aurelia Paramecium aurelia Paramecium bursaria Paramecium bursaria Paramecium bursaria Paramecium bursaria Paramecium caudatum Paramecium Demoslides Paramecium multimicronucleatum Paramecium multimicronucleatum
Package Size Pkg. of 5 Pkg. of 100 Pkg. of 30 Pkg. of 100 Pkg. of 100 Pkg. of 30 Pkg. of 30 Pkg. of 30 Pkg. of 5 Pkg. of 100 Pkg. of 30
Price $17.40 $23.60 $8.00 $23.60 $24.35 $7.75 $8.00 $12.00 $17.40 $23.60 $8.00
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Paramecium aurelia: The smallest of the commonly studied paramecia. (120-180 µm.) Contains one macronucleus and two micronuclei. Paramecium bursaria: Used to study symbiotic relationships, as they harbor unicellular green algae (zoochlorellae) in their cytoplasm. Paramecium caudatum: Possesses one micronucleus and one macronucleus. Osmoregulatory action of contractile vacuole can be observed by explosing organism to hypo- and hypertonic solutions. Paramecium micronucleatum: The largest of the commonly studied paramecia. (200-350 µm.) Contains one macronucleus and three or four micronuclei. Ciliate protists are unicellular organisms characterized by movement using cilia or ciliary-derived structures. Cilia act in locomotion and/or feeding behaviors (phagocytosis). This group is commonly studied in feeding behavior and simple response experiments. Ciliates have two, or more, nuclei—a macronucleus (typical cell functions) and at least one micronucleus (reproduction). Internal organelles are easily visible using a compound microscope with a 40X objective. Possession of cilia is the only common characteristic. Some are typically mobile while others prefer attachment to a substrate. Feeding behaviors also vary. Vital stained cultures have a dye added that stains the internal organelles for easier observation. Demoslide cultures are shipped in a unique container that can be placed directly under the objective—no searching in the jar for a living, moving organism! Ciliates prefer calm water, room temperature, and dim light. They will move away from a microscope’s field of view. Culture contains enough live food to last several days. Aerate daily using included pipet.