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MICROBIO 242 Midterm Exam Questions ANSWERS
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MICROBIO 242 Midterm Exam Questions ANSWERS
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MICROBIO 242 Midterm Exam Questions ANSWERS1. Which of the following is ‘not’ a microscopic organism that Leewenhook was able to
observe under the microscope he constructed in 1674?
a. Algae
b. Bacteria
c. Archaea
d. Viruses
e. Small multicellular animals
2. Which of the following is INCORRECT regarding Archaea?
a. They are known as extremophiles
b. They have external features called hami
c. They are grouped in the domain eukarya
d. They are unicellular and lack nuclei
e. None of the above
3. What is the name for sphere-shaped bacterial cells?
a. Spirillium
b. Bacillus
c. Coccus
d. Pleomorphic
e. Vibrio
4. Where do you find genetic material in a prokaryotic cell?
a. Nucleoid
b. Vesicles
c. Nucleus
d. Inclusions
e. Golgi Apparatus
5. Which of the following statements is INCORRECT regarding glycocalyces?
a. Glycocalyces are gelatinous, sticky substances surrounding a cell.
b. An example of this structure are capsules.
c. They are made of a thick peptidoglycan layer.
, d. Glycocalyces help with protecting the cell and attachment to surfaces.
e. They make up biofilms.
6. What is the name for flagella covering the perimeter of the cell?
a. Antitrichous
b. Peritrichous
c. Lophotrichous
d. Monotrichous
e. Multitrichous
7. What is the name of the structure that transfers genetic material between bacterial cells?
a. Cilia
b. Axial Filament
c. Fimbriae
d. Conjugation Pili
e. Hami
8. The term used to describe a disease-causing microorganism is
a. Microbe
b. Bacterium
c. Virus
d. Pathogen
e. Infection
9. If a nursing student observed a typical eukaryotic cell, what would they find inside?
a. Nucleolus
b. Lysosome
c. Mitochondria
d. All of the above
e. A and C
10. Cellular organelles and viruses are very small compared to prokaryotic and eukaryotic cells
and are generally measured in
a. Nanometers
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