Biology 1120-General Biology II- Activity 27-28 Chapter 27: Archaea and Bacteria

Question

Biology 1120-General Biology II- Activity 27-28 Chapter 27: Archaea and Bacteria (12 questions) Chapter 28: Protists (26 questions) Biology 1120-General Biology II- Activity 27-28 Chapter 27: Archaea and Bacteria (12 questions) Chapter 28: Protists (26 questions) E. Stratenopila Chapter 27: BACTERIA and ARCHAEA (Prokaryotes): USE THE FRONT SIDE OF THE SCANTRON FORM (#1-12) TO ANSWER THESE 12 QUESTIONS 1. Which of the following would most likely occur ifall prolcaryotes were suddenly to perish? A) All life would eventually perish due to disease. B) Many other organisms would perish as a result of a drastic reduction in nutrient recycling- c) All life would eventually perish because of increased global warming due to greenhouse effects. D) Only organisms that feed directly on prokaryotes would suffer any harmful effects. E) Very little change would occur because prokaryotes are not of significant ecological importance. Chapter 28: PROTISTS I. Matching (Protist clades) 4. A moeocoa B. Chilorophyta C. Diplomocia D. Rhodophyta 51. Hairy and smooth flagella; water molds, diatoms, golden and broum algae 52. Plant-type chloroplasta; Chlamydomonas, Ulva 53. No flagellated stage; red algae 54. Lobe-shaped pseudopodia, free living, parasites, slime molds 55. Modified mitochondria, two nuclei; Garaia What is the primary ecological role of prokaryotes? A)Parasitizing eukaryotes and causing disease B) Serving as primary producers in terrestrial environments. C) The decomposition of organic matter. D) Adding methane gas into the atmosphere. E) Metabolizing material in extreme environments. A. Alveolata B. Cercozoa & Radiolaria C. 56. Amoebas with threadlike pseudopodia forams, radiolarians 57. Flagella with spiral or crystalline rod; Trypanosoma 58. Undulating membrane, modified mitochondria; TriciaoMOSIS 59. Subsurface saca, dinoflagellates, apicomplexana, ciliates 3. D. pecoentirin Which of the following statements is false? A) Prokaryote cell walls differ in molecular composition from plant cell walls. B) Prolcaryote cell walls prevent cells from busting in hypotonic environments. C) Prokaryote cell walls prevent cells from dying in hypertonic environments. D) Prokaryote cell walls provide playsical protection from the environment. E) All of the above statements are false. II. Matching . B. conjugation C. phaeophytes 60. Results in genetic recombination in paramecium 61. All members are parasitic. 62. Accessory pigment found in red algae 63. Multicellular brown algae 4. If a prolcaryotic cell lacks a cell wall, we should expect this prokaryote to A) be gram-positive D) possess a typical prokaryotic flagella B) be subject to lysis (bursting) in hypotonic conditions. E) lack a cell membrane as well. C) undergo ready fossilization in sedimentary rock. III. Fill in the blank A. contractie vacuoies B. dinoflagellates C. forams D. paramecium E. piastkas _secrete shells (test) of calcium carbonate and are valuable in the geological dating of sedimentary rocks. 65. keep some freshwater protists from exploding by taking on too much water. 66. Ciliate containing two kinds of nuclei, a single macronucleus and several micronuclei, is the 5. Antibiotics like penicilline A) form cell walls B) perform respiration C) replicate DNA D) prevent certain bacteria to form cell walla E) make proteins form spores 67. The red tides that can kill tons of fish are caused by toxic species of_ 6. Which structure is the outermost component of a bacterium? A) Nucleoid region D) Capsule B) Cell wall E) Plasma membrane C) Ribosome 7. Home canners pressure-cook their vegetables as a precaution primarily against A) mycoplasmas D) cyanobacteria B) endospore-forming bacteria E) actinomycetes C) enteric bacteria 4. brown algae B. diatoms C lichens D. mixotropis E. Tr 68. Many deposit silicon in their cell walls, architectural magnificence on a microscopic scale is a hallmark of this group, and their taxonomy is based entirely on their cell wall patteme. 69. Giant kelp belongs to the clade StraMenopila and are commonly called 70. The causative agent of African sleeping sickness is a parasitic kinetoplastid. 71. Organisms that can be both heterotrophic and autotrophic are called _result from mutualistic symbiotic relationships between green algae and fungi. Part IV. Multiple Choice 73. During the evolution of eukaryotes from prokaryotes, which of the following did not occur? A)Infoding of the flexible cell membrane B)Loss of the cell wall C)A switch from aerobic to anaerobic metabolism D)Endosymbiosis of once free-living prokaryotes MATCHING A) Endospore B) Flagellum C Cell wall D) Capsule 8. composed almost entirely of peptidoglycan 9. Certain bacteria use this for movement. 10. Not present in all bacteriathis structure allows certain bacteria to survive harsh conditions such boiling. 11. An important source of endotoxin in gram-negative bacteria. 74. Protists are found in which of the following habitate? AMarine B)Freshwater aquatic C)Within the body fluids of other organisms D)Damp soil E)A, B, C, &D; 75. Which of the following modes of nutrition is used by protists to fuel their metabolism? A)Autotrophic B)Heterotrophic CMixotrophic D) A & B E) A, B, &C; 12. Prokaryotes are similar to mitochondria and chloroplasts in eukaryotic cells in what way? A) They all contain similar types of ribosomes B) They all contain DNA that is not enclosed in a true nucleus C) They all are similar in size D) A and B only are correct E) A, B, and C are correct. 76. A water mold is discovered growing on the surface of a freshwater green algae. Which two groups of protists are involved? A) plasmodial slime mold and cellular slime mold B)Oomycota and Chlorophyta. C) Foraminifera and Chrysophyta. D) Apicomplexa and Ciliophora

Explanation / Answer

1) B

2) C

3) E

4) B

5) D

6) B

7) B

8) C

9) B

10) A

11) D

12) E

51) E

52) B

53) D

54) A

55) C

56) A

57) C

58) C

59) A

60) B

61) A

62) D

63) C

64) C

65) A

66) D

67) E

68) B

69) A

70) E

71) D

72) C

73) A

74) E

75) E

76) B

Related Questions

Navigate

• Browse (All)
• Browse B
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.