One is a human pathogen balantidium coli paramecium

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One is a human pathogen: Balantidium coli Paramecium— freshwater ciliate has organelles called trichocysts beneath the pellicle that give it its shape produce asexually and some reproduce sexually
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has a macronucleus that controls daily function, and one or more small micronuclei 21.6 Dinoflagellates Dinoflagellate= means whirling flagellate o Typically have two flagella: one extends out from base of cell and other wraps around cell’s middle like a belt o Alveolates and most deposit cellulose in the alveoli beneath their plasma membrane o About half of the dinoflagellates are heterotrophs Most are predators some are parasites o Algal bloom= free living photosynthetic dinoflagellates or other protists sometimes undergo great increases in population size Can sicken humans and kill aquatic organisms o Bioluminescence= some dinoflagellates exhibit this: they convert ATP energy to light energy 21.7 Cell-Dwelling Apicomplexans Apicomplexans= parasitic alveolates that spend part of their life cycle living inside cells of their hosts.
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