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General Microbiology Biol 4501 1 PRACTICE EXAMINATION QUESTIONS
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General Microbiology Biol 4501 1 PRACTICE EXAMINATION QUESTIONS
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General Microbiology Biol 4501PRACTICE EXAMINATION QUESTIONS
MULTIPLE CHOICE QUESTIONS Note: More than one answer can be correct. Circle all correct
answers.
1. What groups listed below have true cell walls?
A. algae
B. mycoplasmas
C. Gram-positive bacteria
D. fungi
E. protozoans
2. Identify which statements are correct.
A. All bacteria have peptidoglycan in their cell walls.
B. All fungi have chitin in their cell walls.
C. All algae have cellulose in their cell walls
D. All protozoans have protein in their cell walls.
3. Which of the following characteristics do not occur in prokaryotic cells?
A. cellular organization
B. thylakoid membranes within chloroplasts
C. oxygenic photosynthesis
D. anaerobic respiration
E. several circular chromosomes
4. The membrane of gas vesicles is composed of:
A. triglycerides
B. phospholipids
C. proteins
D. lipopolysaccharide
E. hydrocarbons
5. Which of the following are not found in Cyanobacteria?
A. thylakoids
B. gas vesicles
C. chloroplasts
D. heterocysts
E. endospores
6. Phagocytosis is not a characteristic of which groups?
A. protozoans
B. algae
C. fungi
D. Archaea
E. Bacteria
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7. The bacterial cytoplasmic membrane contains:
A. ester-linked phospholipids, but no sterols
B. ester-linked phospholipids and sterols
C. ether-linked phospholipids, but no sterols
D. ether-linked phospholipids, sulfolipids, and glycolipids
8. Who accidentally identified the antimicrobial action of penicillin?
A. Robert Koch
B. Richard Petri
C. Alexander Fleming
D. Louis Pasteur
E. Lazzaro Spallanzani
9. Ribosomes associated with cells or organelles have a certain size, which is expressed in Svedberg
units. Which associations are incorrect?
A. cyanobacteria - 80s
B. chloroplasts - 70s
C. photosynthetic bacteria - 80s
D. green algal cytoplasm - 80s
E. mitochondria - 70s
10. Which group(s) of microorganisms is (are) thought to be the oldest living organisms?
A. eukaryotes
B. heterotrophic prokaryotes
C. Archaea
D. viruses
E. autotrophic prokaryotes
11. Based on studies of 16S ribosomal RNA and cell wall composition, which of the following
bacteria are classified as Archaea?
A. Halobacterium
B. Methanococcus
C. Sulfolobus
D. Desulfovibrio
12. Which group(s) of fungi do not generally produce sexual reproductive structures and are also
sometimes known as imperfect fungi?
A. Ascomycotina
B. Oomycetes
C. Zygomycotina
D. Hyphochridiomycetes
E. Deuteromycotina
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