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Bio_Def_Test_1Chapter_19

Bio_Def_Test_1Chapter_19 - Biology Terms Chapter 19...

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Biology Terms Chapter 19 Acellular slime mold a type of funguslike protist that forms a multinucleate structure that crawls in amoeboid fashion and ingests decaying organic matter; also called plasmodial slime mold. Alga any photosynthetic member of the eukaryotic kingdom Protista. Alveolate a member of the Alveolata, a large assemblage of protists that is assigned kingdom status by many systematists. The alveolates, which are characterized by a system of sacs beneath the cell membrane, include ciliates, foraminiferans, dinoflagellates, and apicomplexans. Amoeba a type of animal-like protist that uses a characteristic streaming mode of locomotion by extending a cellular projection called a pseudopod. Anaerobe an organism whose respiration does not require oxygen. Apicomplexan a member of the protist phylum Apicomplexa, which includes mostly parasitic, single- celled eukaryotes such as Plasmodium, which causes malaria in humans. The apicomplexans are part of a larger group known as the alveolates. Bacillus a rod-shaped bacterium. Bacteriophage a virus specialized to attack bacteria. Bacterium an organism consisting of a single prokaryotic cell surrounded by a complex polysaccharide coat. Capsule a polysaccharide or protein coating that some disease-causing bacteria secrete outside their cell wall. Cellular slime mold
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Biology Terms Chapter 19 a funguslike protist consisting of individual amoeboid cells that can aggregate to form a sluglike mass, which in turn forms a fruiting body. Chemotactic moving toward chemicals given off by food or away from toxic chemicals. Chromist a member of the Chromista, a large assemblage of protists that is assigned kingdom status by many systematists. The chromists include the diatoms, brown algae, and water molds. Ciliate a protozoan characterized by cilia and by a complex unicellular structure, including harpoonlike organelles called trichocysts. Members of the genus Paramecium are well-known ciliates.
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