Chap025 - Prescotts 10th Ed. PDF

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Chapter 25ProtistsMultiple Choice Questions1. The simultaneous use of both organic and inorganic forms of carbon is called________________.A. osmotrophyB. omnitrophyC. mixotrophyD. metatrophyASM Objective: 03 The interactions of microorganisms among themselves and with their environment are determin...

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Chapter 25 - Protists

Chapter 25 Protists

Multiple Choice Questions 1. The simultaneous use of both organic and inorganic forms of carbon is called ________________. A. osmotrophy B. omnitrophy C. mixotrophy D. metatrophy

ASM Objective: 03.02 The interactions of microorganisms among themselves and with their environment are determined by their metabolic abilities (e.g., quorum sensing, oxygen consumption, nitrogen transformations). ASM Objective: 03.03 The survival and growth of any microorganism in a given environment depends on its metabolic characteristics. ASM Topic: Module 03 Metabolic Pathways Blooms Level: 1. Remember Learning Outcome: 25.01.01 Describe three nutritional strategies used by protists Section: 25.01 Topic: Protozoans

2. When protists feed on solid nutrients such as bacteria by phagocytosis, they are said to be using ____________ nutrition. A. saprozoic B. holozoic C. endozoic D. parasitic

ASM Objective: 03.02 The interactions of microorganisms among themselves and with their environment are determined by their metabolic abilities (e.g., quorum sensing, oxygen consumption, nitrogen transformations). ASM Objective: 03.03 The survival and growth of any microorganism in a given environment depends on its metabolic characteristics. ASM Topic: Module 03 Metabolic Pathways Blooms Level: 1. Remember Learning Outcome: 25.01.01 Describe three nutritional strategies used by protists Section: 25.01 Topic: Protozoans

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Chapter 25 - Protists

3. All photosynthetic protists A. carry out oxygenic photosynthesis using two photosystems.

B. carry out oxygenic photosynthesis using one photosystem. C. carry out anoxygenic photosynthesis using two photosystems. D. carry out anoxygenic photosynthesis using one photosystem.

ASM Objective: 03.02 The interactions of microorganisms among themselves and with their environment are determined by their metabolic abilities (e.g., quorum sensing, oxygen consumption, nitrogen transformations). ASM Objective: 03.03 The survival and growth of any microorganism in a given environment depends on its metabolic characteristics. ASM Topic: Module 03 Metabolic Pathways Blooms Level: 2. Understand Learning Outcome: 25.01.01 Describe three nutritional strategies used by protists Section: 25.01 Topic: Algae Topic: Protists

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Chapter 25 - Protists

4. The study of algae is referred to as A. phycology. B. phytology. C. mycology. D. None of the choices are correct.

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 06.02 Microorganisms provide essential models that give us fundamental knowledge about life processes. ASM Objective: 07.03b Ability to communicate and collaborate with other disciplines: Identify credible scientific sources and interpret and evaluate the information therein. ASM Topic: Module 05 Microbial Systems ASM Topic: Module 07 Scientific Thinking Blooms Level: 1. Remember Learning Outcome: 25.01.01 Describe three nutritional strategies used by protists Section: 25.01 Topic: Algae Topic: Protists

5. Which of the following statements is not true of protists? A. Moisture is absolutely essential to their existence. B. Most are free living. C. They make up a substantial fraction of the marine plankton. D. They are not known to cause diseases of humans.

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Objective: 06.01 Microbes are essential for life as we know it and the processes that support life (e.g. in biogeochemical cycles and plant and / or animal microbiota). ASM Topic: Module 05 Microbial Systems Blooms Level: 2. Understand Learning Outcome: 25.01.01 Describe three nutritional strategies used by protists Section: 25.01 Topic: Algae Topic: Protists Topic: Protozoans

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Chapter 25 - Protists

6. Which of the following is rare among protists? A. Motility

B. Multicellular C. Eukaryotic D. None of these characteristics are rare among protists.

ASM Objective: 02.04 While microscopic eukaryotes (for example, fungi, protozoa and algae) carry out some of the same processes as bacteria, many of the cellular properties are fundamentally different. ASM Topic: Module 02 Cell Structure and Function ASM Topic: Module 05 Microbial Systems Blooms Level: 2. Understand Learning Outcome: 25.01.01 Describe three nutritional strategies used by protists Section: 25.01 Topic: Algae Topic: Protists Topic: Protozoans

True / False Questions 7. Trypanosomes that cause disease in humans escape destruction by the human immune system because they are resistant to phagocytosis. FALSE

ASM Objective: 05.03 Microorganisms and their environment interact with and modify each other. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 05 Microbial Systems Blooms Level: 3. Apply Learning Outcome: 25.02.06 Discuss the etiology of Chagas’ disease and African sleeping sickness Section: 25.02 Topic: Flagellate Infections

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Chapter 25 - Protists

8. Unlike Giardia, most members of the Fornicata are harmless symbionts. TRUE

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 05 Microbial Systems Blooms Level: 1. Remember Learning Outcome: 25.02.04 List one human and one veterinary disease caused by species of Fornicata and Parabasalia Section: 25.02 Topic: Flagellate Infections

9. Recent evidence suggests that hydrogenosomes and mitochondria evolved from different endosymbiotically derived organelles. FALSE

ASM Objective: 01.01 Cells, organelles (e.g. mitochondria and chloroplasts) and all major metabolic pathways evolved from early prokaryotic cells. ASM Topic: Module 01 Evolution Blooms Level: 2. Understand Learning Outcome: 25.02.01 Differentiate a mitosome from a mitochondrion Learning Outcome: 25.02.02 Identify which members of Excavata have hydrogenosomes Section: 25.02 Topic: Flagellate Infections Topic: Protozoans

10. Euglena use a contractile vacuole for osmotic regulation. TRUE

ASM Objective: 02.04 While microscopic eukaryotes (for example, fungi, protozoa and algae) carry out some of the same processes as bacteria, many of the cellular properties are fundamentally different. ASM Objective: 03.03 The survival and growth of any microorganism in a given environment depends on its metabolic characteristics. ASM Topic: Module 02 Cell Structure and Function ASM Topic: Module 03 Metabolic Pathways Blooms Level: 2. Understand Learning Outcome: 25.01.03 Explain how contractile vacuoles are used to maintain osmotic stability Learning Outcome: 25.02.05 Draw a typical euglenoid cell and explain the function of the stigma and pyrenoid Section: 25.01 Section: 25.02 Topic: Flagellate Infections Topic: Protozoans

Multiple Choice Questions

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Chapter 25 - Protists

11. The pellicle of a Euglena cell consists of A. glycoprotein.

B. polysaccharide. C. peptidoglycan. D. protein strips and microtubules.

ASM Objective: 02.01 The structure and function of microorganisms have been revealed by the use of microscopy (including bright field, phase contrast, fluorescent, and electron). ASM Topic: Module 02 Cell Structure and Function Blooms Level: 1. Remember Learning Outcome: 25.02.05 Draw a typical euglenoid cell and explain the function of the stigma and pyrenoid Section: 25.02 Topic: Flagellate Infections Topic: Protozoans

12. The cellulase-excreting protist that can account for up to one-third of the biomass of a termite is a member of the genus A. Hexamida. B. Trichomonas. C. Trichonympha. D. Euglena.

ASM Objective: 03.02 The interactions of microorganisms among themselves and with their environment are determined by their metabolic abilities (e.g., quorum sensing, oxygen consumption, nitrogen transformations). ASM Objective: 03.03 The survival and growth of any microorganism in a given environment depends on its metabolic characteristics. ASM Objective: 05.03 Microorganisms and their environment interact with and modify each other. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 03 Metabolic Pathways ASM Topic: Module 05 Microbial Systems Blooms Level: 1. Remember Section: 25.02 Topic: Protozoans

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Chapter 25 - Protists

13. A typical Euglena cell is elongated and bounded by a _________________ A. protuberance. B. pellicle. C. cytoproct. D. plasmalemma.

ASM Objective: 02.01 The structure and function of microorganisms have been revealed by the use of microscopy (including bright field, phase contrast, fluorescent, and electron). ASM Topic: Module 02 Cell Structure and Function Blooms Level: 1. Remember Learning Outcome: 25.01.02 Draw a typical protist cell membrane and underlying features, labeling the plasmalemma, ecto- and endoplasm, and pellicle Learning Outcome: 25.02.05 Draw a typical euglenoid cell and explain the function of the stigma and pyrenoid Section: 25.01 Section: 25.02 Topic: Protozoans

14. Which of the following is found in the intestine of termites and produces enzymes needed to digest wood particles? A. Giardia B. Trichomonas C. Trichonymphida D. Nyctotherus

ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Objective: 06.01 Microbes are essential for life as we know it and the processes that support life (e.g. in biogeochemical cycles and plant and / or animal microbiota). ASM Topic: Module 05 Microbial Systems ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 1. Remember Learning Outcome: 25.02.03 Identify a location near your home or school where you might find protists in the taxa Fornicata, Parabasalia, and Euglena Section: 25.02 Topic: Protozoans

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Chapter 25 - Protists

15. Which of the following is a unique organelle found within some protists but not in higher animal cells? A. Mitochondrion

B. Contractile vacuole C. Golgi apparatus D. Endoplasmic reticulum

ASM Objective: 02.01 The structure and function of microorganisms have been revealed by the use of microscopy (including bright field, phase contrast, fluorescent, and electron). ASM Topic: Module 02 Cell Structure and Function Blooms Level: 1. Remember Learning Outcome: 25.01.02 Draw a typical protist cell membrane and underlying features, labeling the plasmalemma, ecto- and endoplasm, and pellicle Learning Outcome: 25.01.03 Explain how contractile vacuoles are used to maintain osmotic stability Section: 25.01 Topic: Protozoans

16. The most common method of asexual reproduction in protists is A. budding. B. cytokinesis. C. fission. D. fragmentation.

ASM Objective: 02.01 The structure and function of microorganisms have been revealed by the use of microscopy (including bright field, phase contrast, fluorescent, and electron). ASM Topic: Module 02 Cell Structure and Function Blooms Level: 2. Understand Learning Outcome: 25.01.05 Compare binary fission as it occurs in a protist with that in a bacterium or archaeon Section: 25.01 Topic: Protists

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Chapter 25 - Protists

17. Some anaerobic protists obtain energy using A. mitochondria. B. cytochromes. C. hydrogenosomes. D. All of the choices are correct.

ASM Objective: 02.04 While microscopic eukaryotes (for example, fungi, protozoa and algae) carry out some of the same processes as bacteria, many of the cellular properties are fundamentally different. ASM Objective: 03.03 The survival and growth of any microorganism in a given environment depends on its metabolic characteristics. ASM Topic: Module 02 Cell Structure and Function ASM Topic: Module 03 Metabolic Pathways Blooms Level: 2. Understand Learning Outcome: 25.02.02 Identify which members of Excavata have hydrogenosomes Section: 25.02 Topic: Protists

Fill in the Blank Questions 18. Pigment is contained in an eyespot or __________ that helps certain organisms orient to light. stigma

ASM Objective: 02.01 The structure and function of microorganisms have been revealed by the use of microscopy (including bright field, phase contrast, fluorescent, and electron). ASM Objective: 05.03 Microorganisms and their environment interact with and modify each other. ASM Topic: Module 02 Cell Structure and Function ASM Topic: Module 05 Microbial Systems Blooms Level: 1. Remember Learning Outcome: 25.02.05 Draw a typical euglenoid cell and explain the function of the stigma and pyrenoid Section: 25.02 Topic: Protozoans

25-9 Copyright © 2017 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.

Chapter 25 - Protists

19. Acellular slime molds form a large multinucleate mass called a(n) ______________ . plasmodium

ASM Objective: 02.01 The structure and function of microorganisms have been revealed by the use of microscopy (including bright field, phase contrast, fluorescent, and electron). ASM Objective: 02.04 While microscopic eukaryotes (for example, fungi, protozoa and algae) carry out some of the same processes as bacteria, many of the cellular properties are fundamentally different. ASM Topic: Module 02 Cell Structure and Function Blooms Level: 1. Remember Learning Outcome: 25.03.03 Compare and contrast the structure, motility, and life cycles of acellular and cellular slime molds Section: 25.03 Topic: Protists Topic: Slime molds

Multiple Choice Questions 20. Sexual reproduction in the cellular slime mold Dictyostelium discoideum involves the production of special spores called A. amoeba flagellates. B. macrocysts. C. sporozoites. D. discoidia.

ASM Objective: 02.01 The structure and function of microorganisms have been revealed by the use of microscopy (including bright field, phase contrast, fluorescent, and electron). ASM Objective: 02.04 While microscopic eukaryotes (for example, fungi, protozoa and algae) carry out some of the same processes as bacteria, many of the cellular properties are fundamentally different. ASM Topic: Module 02 Cell Structure and Function Blooms Level: 1. Remember Learning Outcome: 25.03.03 Compare and contrast the structure, motility, and life cycles of acellular and cellular slime molds Learning Outcome: 25.03.04 Explain the importance of molecular signaling in the morphological development of Dictyostelium discoideum Section: 25.03 Topic: Protists Topic: Slime molds

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Chapter 25 - Protists

21. Which of the following is not true regarding Entamoeba histolytica? A. Entamoeba histolytica always remains in the intestinal tract during an infection. B. Entamoeba histolytica cysts pass through the stomach unharmed. C. Entamoeba histolytica grazes on bacteria in the intestines. D. Entamoeba histolytica produces enzymes that degrade epithelial tissue.

ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 05 Microbial Systems Learning Outcome: 25.03.05 Identify a nearby location where you might find members of the genera Tubulinea, Entamoebida, and Eumycetozoa Section: 25.03 Topic: Amoebae Topic: Amoeba Infections Topic: Protozoans

22. Which of the following is not a type of pseudopod found in protozoa? A. Lobopodia

B. Peripodia C. Reticulopodia D. Filopodia

ASM Objective: 02.01 The structure and function of microorganisms have been revealed by the use of microscopy (including bright field, phase contrast, fluorescent, and electron). ASM Topic: Module 02 Cell Structure and Function Blooms Level: 1. Remember Learning Outcome: 25.03.01 Draw three different types of pseudopodia Section: 25.03 Topic: Protists Topic: Amoeba Infections Topic: Protozoans

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Chapter 25 - Protists

23. A cyst formed by a protist functions A. as a protective mechanism against adverse changes in the environment. B. in repair of damage to the cell envelope. C. in transfer from one host to the next. D. as a protective mechanism against adverse changes in the environment and in transfer from one host to the next.

ASM Objective: 02.01 The structure and function of microorganisms have been revealed by the use of microscopy (including bright field, phase contrast, fluorescent, and electron). ASM Objective: 03.03 The survival and growth of any microorganism in a given environment depends on its metabolic characteristics. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 02 Cell Structure and Function ASM Topic: Module 03 Metabolic Pathways ASM Topic: Module 05 Microbial Systems Blooms Level: 2. Understand Learning Outcome: 25.01.06 Outline the process of sexual reproduction and how it can vary in protists Learning Outcome: 25.03.02 Differentiate between a naked and a testate amoeba Section: 25.01 Section: 25.03 Topic: Protists Topic: Protozoans

24. Foraminifera are a type of protist that A. help in estimating the age of ocean deposits. B. move by means of flagella. C. cause malaria. D. are associated with human disease.

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 06.02 Microorganisms provide essential models that give us fundamental knowledge about life processes. ASM Topic: Module 05 Microbial Systems ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 2. Understand Learning Outcome: 25.04.02 Explain the morphology, feeding mechanisms, and reproduction of members of Radiolaria and Foraminifera Learning Outcome: 25.04.03 Infer why the accretion of forami...