Rue Micro – Microbiology – Flashcards
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Unlock answersWhich of the following genera is an anaerobic gram-negative rod? A) B) C) D) E) |
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Which of the following is true about viruses? A) |
B) |
Who was the first to observe microorganisms with a microscope? A) |
A) |
The presence of a spore in a vegetative bacterial cell helps establish that the organism is of which genus? A) |
B) |
You have isolated an aerobic gram-positive, endospore-forming bacterium that grows wells on nutrient agar. To which of the following groups does it most likely belong? A) |
D) |
Proof that a microbe could cause disease was provided by: A) |
E) |
Who disproved the theory of spontaneous generation? A) |
A) |
If two organisms have similar rRNA sequences, you can conclude all of the following except A) |
B) |
Which of the following pairs is mismatched? A) |
A) |
An attenuated virus means that the virus has been weakened. A) |
A)
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Which of the following pairs is mismatched? A) |
A) |
Which of the following is not an enteric? A) |
C) |
Which of the following is a scientific name? A) |
C) |
Which of the following statements is true? A) |
C) |
Which of the following lacks a cell wall? A) |
C) |
Which of the following is NOT gram-positive? A) |
E) |
Yeasts belong to the Kingdom A) |
D) |
In the scientific name Enterobacter aerogenes, Enterobacter is the A) |
E) |
The scientists responsible for the discovery of penicillin is: A) |
E) |
Which of the following findings was essential for Jenner's vaccination process? B) C) D) |
A) |
Who proved that microorganisms cause disease? A) |
C) |
Which of the following requirements was necessary for Pasteur to disprove spontaneous generation? B) C) D) E) |
D) |
Regarding Pasteur's experiments with the S-neck flask, which of the following statements is true? A) |
E) |
All of the following have cell walls except A) |
A) |
Which one of the following does NOT belong with the others? A) |
B) |
Which of the following is not part of the study of microbiology? A) |
B) |
You are observing a cell through a microscope and note that it has no apparent nucleus. You conclude that it most likely A) |
B) |
Which of the following pairs is mismatched? A) |
A) |
An agent that reproduces in cells but is not composed of cells and contains RNA as its genetic material is a(n)_____. A) B) virus C) |
B) virus |
Which of the following is a distinguishing characteristic of prokaryotic cells? A) |
C) |
Which of the following is true about insect control by microorganisms? A) |
C) |
Filamentous fungi form long, threadlike extensions known as what? A) |
E) |
Organism A has 70 moles % G+C and organism B has 40 moles % G+C. Which of the following can be concluded from these data? A) |
D) |
Which of the following does not belong with the others? A) |
D) |
Which of the following is a scientific name? A) |
D) |
Protozoa belong to the kingdom: A) |
A) |
What type of organisms possesses axial filaments? A) |
C) |
Spontaneous generation is the belief that A) |
E) |
Salmonella, Shigella, Yersinia, and Serratia are all A) |
A) |
All of the following are gram-positive. Which does NOT belong with the others? A) |
B) |
Which scientist is most responsible for finally laying the theory of spontaneous generation to rest? A) |
C) |
Who proved that microorganisms cause disease? A) |
D) |
A technique that may be able to suggest evolutionary relationships among bacteria based on the determination of the base composition of the DNA. A) |
D) |
Which of the following is not a characteristic of the regular, nonsporing gram-positive rods? A) |
C) |
Rickettsias differ from chlamydias in that rickettsias A) |
C) |
The presence of a spore in a vegetative bacterial cell helps establish that the organism is of which genus? A) |
A) |
In the name Escherichia coli, coli is the A) |
D) |
Which of the following is true about fungi? B) C) D) E) |
A) |
Which of the following is NOT gram-negative? A) |
C) |
Which of the following statements is untrue? A) |
B) |
Into which group would you place a photosynthetic cell that lacks a nucleus? A) |
C) |
Expanded on biogenesis, by introducing the concept that living cells arise from other living cells. A) |
D) |
Which of the following demonstrated that maggots appear on decaying meat only when flies are able to lay eggs on the meat? A) |
C) |
Which is NOT a characteristic of viruses? A) |
D) |
Which of the following is probably true about all the experiments that proved spontaneous generation? A) |
A) |
First to speculate about the possibility of a "magic bullet" that would destroy a pathogen without harming the host. The beginning of chemotherapy. A) |
D) |
Fungi differ from bacteria because fungi A) |
A) |
Which of the following pairs is mismatched? A) |
B) |
Borrelia is classified as a spirochete because it A) |
B) |
Cells that do not have a membrane separating thier nuclear material from their cytoplasm are called prokaryotes. A) |
A) |
The scientist to first isolate a virus was: A) |
E) |
A nucleated, green cell that moves by means of flagella is a(n) _____. A) |
A) |
Which of the following is not true about protozoa? A) |
E) |
Which of the following is not a domain in the three-domain system? A) |
B) |
Which of the following are found primarily in the intestines of humans? A) |
A) |
Which of the following is a distinguishing characteristic of prokaryotic cells? B) C) D) |
D) |
Which of the following is not an example of biotechnology? A) |
E) |
Which of the following is a characteristic of Clostridium? A) |
C) |
Who observed cells in plant material?
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A) |
Which of the following is NOT a characteristic of spirochetes? A) |
C) |
Classification of organisms in the three domains is based on A) |
A) |
