Biology Final - Microbiology
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- 1.A typical virus consits of...
- A.
A protein coat and a cytoplasm core
- B.
A carbohydrate coat and a nucleic acid core
- C.
A protein core and a nucleic acid core
- D.
A polysaccharide coat and a nucleic acid core
- 2.A virus that has been genetically altered to reduce its virulence is known as a (n)
- A.
Inactivated virus
- B.
Annenuated virus
- C.
Virulent virus
- D.
Provirus
- 3.Bacterial cells...
- A.
Have a cell wall only
- B.
Have a cell membrane only
- C.
Have both a cell membrane and a cell wall
- D.
Have a cell wall inside their cell membrane
- 4.Viruses...
- A.
Are cellular organisms
- B.
Reproduce only in living cells
- C.
Have nuclei and organelles
- D.
Are surrounded by polysaccharide coat
- 5.
- A.
Conjugation
- B.
Transformation
- C.
Binary fission
- D.
Transduction
- 6.Algae are different the other protists because algae are:
- A.
Prokaryotic
- B.
Ingestive heterotrophs
- C.
Absorptive heterotrophs
- D.
Photoautotrophs
- 7.The process by which bacteria reproduce is known as:
- A.
Mitosis
- B.
Sexual reproduction
- C.
Binary fusion
- D.
Binary fission
- 8.It is important to distinguish between Gram-negative and Gram-positive bacteria in diagnosing a bacterial infection because:
- A.
Gram-negative and Gram-positive bacteria respond to different antibiotics
- B.
Gram-positive bacteria never cause fatal diseases
- C.
Gram-positive bacteria destroy antibiotics, preventing them from working
- D.
Gram-positive bacteria don't respond to any antibiotics
- 9.Bacteria whose cells are rod shaped are classified as:
- A.
Cocci
- B.
Bacilli
- C.
Spirilli
- 10.Bacteria whose cells are round/spherical are classified as:
- A.
Cocci
- B.
Bacilli
- C.
Spirilli
- 11.Protists are different from bacteria because protists:
- A.
Are relatively simple
- B.
Have prokaryotic cells
- C.
Have eukaryotic cells
- D.
Lack a nucleus
- 12.Animal-like protists are animal like because animal-like protists are:
- A.
Prokaryotic
- B.
Ingestive heterotrophs
- C.
Absorptive heterotrophs
- D.
Photoautotrophs
- 13.The prokaryotic organisms that are most similar to the first life on Earth are the:
- A.
Eubacteria
- B.
Bacteriophages
- C.
Archaebacteria
- D.
Viruses
- 14.
- A.
Kingdom Archaebacteria
- B.
Kingdom Eubacteria
- C.
Kingdom Animalia
- D.
Kingdom Protista
- 15.A substance that kills bacteria that interferes with their cellular functions is a(n):
- A.
Antibiotic
- B.
Antibody
- C.
Vaccine
- D.
Exotoxin
- 16.Bacteria whose cells are arranged into grape-like clusters are classified as:
- A.
Mono-
- B.
Diplo-
- C.
Strepto-
- D.
Staphlo-
- 17.Bacteria that stain purple and have a thick cell wall of peptidoglycan are the:
- A.
Archaebacteria
- B.
Gram-positive bacteria
- C.
Gram-negative bacteria
- D.
All of the above
- 18.Bacteria lack a true nucleus and membrane-bound organelles; therefore, they are classified as:
- A.
Prokaryotes
- B.
Aerobes
- C.
Anaerobes
- D.
Eukaryotes
- 19.Bacteria whose cells are arranged into straight chains or filaments are classified under:
- A.
Mono-
- B.
Diplo-
- C.
Strepto-
- D.
Staphylo-
- 20.Which of the following groups of algae has the most characteristics in common with plants?
- A.
Red algae
- B.
Golden algae
- C.
Green algae
- D.
Brown algae
- 21.One difference between the archaebacteria and eubacteria is that the archaebacteria:
- A.
Have peptidoglycan in their cell walls
- B.
Don't have peptidoglycan in their cell walls
- C.
Have a nucleus
- D.
Don't have a nucleus
- 22.In which type of cell cycle(s) does viral DNA become integrated into the host cell's DNA?
- A.
Lytic
- B.
Lysogenic
- C.
Neither lytic or lysogenic
- D.
Lytic and Lysogenic
- 23.
- A.
They divide into two identical cells
- B.
They divide into two non-identical cells
- C.
Their offspring have genes that the parents don't have
- D.
They form a multicellular stage
- 24.Protists are different from animals, plants and the fungi because protists are:
- A.
Relatively simple
- B.
Have prokaryotic cells
- C.
Have eukaryotic cells
- D.
Lack a nucleus
- 25.The archae that thrive in hot acidic environments are the:
- A.
Thermoacidophiles
- B.
Exteme halophiles
- C.
Methoanogens
- D.
Cyanobacteria
- 26.
- A.
Conjugation
- B.
Transformation
- C.
Transduction
- D.
Binary fission
- 27.When a bacterial cell absorps a gene from the environment, it is called:
- A.
Conjugation
- B.
Transformation
- C.
Transduction
- D.
Binary fission
- 28.The capsid of a virus is the
- A.
Protective outer coat
- B.
Cell membrane
- C.
Nucleus
- D.
Cell wall and membrane complex
- 29.
- A.
Plasmodian
- B.
African Sleeping Bug
- C.
Parasite
- D.
None of the above
- 30.Which of the following is an example of how microogranisms DO NOT benefit humans?
- A.
Fungi-like protists help make food for humans, such as beer, wine, cheese, and soy products
- B.
Algae protists make food us like seaweed
- C.
When a virus makes us sick, our immune system recognizes it, so we don't get it again in the future
- D.
Algae creates algo-blooms and red-tides, which harm bodies of water
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