Microbiology: An Evolving Science (Fourth Edition)
4th Edition
ISBN: 9780393615098
Author: John W. Foster, Joan L. Slonczewski
Publisher: W. W. Norton & Company
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Chapter 20, Problem 3RQ
Summary Introduction
To review:
The comparison and contrast in the molecular basis of motility in amoebas and ciliates.
Introduction:
Amoebas and ciliates are part of the kingdom Protista, that is classified under different clades in the evolutionary tree. Both of these organisms have different motility structures that distinguish them from each other. Motility is required for general movement, feeding, cell division, and morphogenesis.
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Microbiology: An Evolving Science (Fourth Edition)
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- Describe at least four morphological features similar to both choanoflagellates and choanocytes of sponges and the functions of these structures in each. please do not directly copy from googlearrow_forwardExplain the function of the contractile vacuole in fresh-water protists.arrow_forwardBriefly describe the defining properties of genera in the order Streptosporangiales. What is madurose?arrow_forward
- Macrocystis is a genus of kelp (large brown algae) that includes species having extremely longstipes (up to 60 meters) and floating structures containing gas (pneumatocysts) at the base of theblades. What might the purpose of the long stipes and pneumatocysts be?arrow_forwardThe pennate diatoms lack motility, but the centric diatoms may possess motility True Falsearrow_forwardBriefly explain the asexual and sexual mode of reproduction in red algae.arrow_forward
- Name any two classes of algae in which motile cells are absent.arrow_forwardDistinguish the following phyla by its characteristics and features. Give a specific example for it: Coelenteratesarrow_forwardIdentify what are described:1. The type of pseudopod exhibited by amoebozoans.2. The leading area for pseudopod movement in amoeba.3. The terminal region in amoeba responsible for exocytosis. 4. Causative agent of reptilian amoebiasis.5. Mass of naked multinucleate cytoplasm that serves as feeding stage in slimemolds.6. Aggregation of individual cells in cellular slime mold occur during thissituation.7. The feeding form of Entamoeba histolytica.8. Primary function of slime molds in the environment.9. Mode of nutrition among slime molds.10. This is another term for the pseudoplasmodium.arrow_forward
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