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practicexam - MBIO 2051 Practice exam I 1. Which of the...

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Practice exam I 1. Which of the following groups have at least some species which have peptidoglycan? A) Bacteria only B) Archaea only C) Bacteria and archaea D) Eukaryotes E) Prokaryotes and eukaryotes 2. Which of the following statements about prokaryotes and eukaryotes are FALSE? A) In eukaryotes, the chromosomes are separated from the cytoplasm by a membrane, while in prokaryotes the chromosome is not separated from the cytoplasm. B) Eukaryotes have many different types of organelles, while prokaryotes do not have organelles. C) Since prokaryotes lack chloroplasts, they are unable to carry out photosynthesis. D) While some species of eukaryotes and prokaryotes have flagella, the structure of eukaryotic flagella is very different from the structure of prokaryotic flagella. E) Microorganisms may be either prokaryotes or eukaryotes. 3. Which of the following groups have a nucleoid? A) Bacteria only B) Archaea only C) Bacteria and archaea D) Eukaryotes E) Prokaryotes and eukaryotes 4. Which of the following are prokaryotes? A) Archaea B) Viruses C) Protozoa D) A and C above E) All of the above are prokaryotes 5. How are archaea, bacteria and algae alike? A) They all lack a nuclear membrane. B) Mitochondria are absent C) Chloroplasts are present D) They all have a cytoplasmic membrane E) They all have nucleoids 6. Which of the following is not a major characteristic of ALL types of cells? A) They all have DNA, which contains all the information necessary to make a new cell. B) They all have a cell wall to prevent the cell from exploding due to the higher internal pressure. C) They all use enzymes to metabolize nutrients. D) All types of cells can respond to changing environmental conditions. E) They can pass mutations from one generation to the next, resulting in the formation of new species. 7. Which of the following scientists performed experiments aimed at disproving spontaneous generation? A) Robert Hooke B) Robert Koch C) Edward Jenner D) John Tyndall E) Louis Pasteur 8. Which of the following was not a discovery of Pasteur? A) A healthy animal could contract anthrax from the blood from an animal with anthrax. B) Heat would kill the organisms in wine and beer. C) A vaccine for rabies. D) If all the organisms in a broth were killed, new microbes would not spontaneously form. E) Not all microbes require oxygen for growth. 9. What did the discoveries of Ferdinand Cohn demonstrate? A) Spontaneous generation occurs in hay infusions. B) The use of antiseptics reduces the mortality rate from surgery. C) Some microbes produce heat-resistant endospores. D) The size and shape of a bacterium remains constant. E) Exposure to cowpox makes people resistant to smallpox. 10.
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This note was uploaded on 04/07/2008 for the course BIOL 2051 taught by Professor Brininstool during the Spring '07 term at LSU.

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practicexam - MBIO 2051 Practice exam I 1. Which of the...

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