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FINAL EXAM STRAIGHTERLINE MICROBIOLOGY QUESTIONS WITH CORRECT ANSWERS
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FINAL EXAM STRAIGHTERLINE MICROBIOLOGY QUESTIONS WITH CORRECT ANSWERS
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FINAL EXAM STRAIGHTERLINEMICROBIOLOGY QUESTIONS WITH
CORRECT ANSWERS
A diagram of the three domains (Bacteria, Archaea, Eukarya) proceeding from the Last
Universal Common Ancestor would show Archaea - Answer-branching off the Domain
Eukarya.
In the cell cytoplasm, molecules of ATP are a - Answer-solute
The _____ of the microscope holds and allows selection of the objective lenses. -
Answer-nosepiece
Characteristics shared by all cells include - Answer-the presence of cellular fluid, the
possession of genetic information, and a membrane serving as a cell boundary.
Anything that occupies space and mass is called... - Answer-matter
Trees of life illustrate the phylogenetic relationships of all organisms were traditionally
based on _____; newer methods for determining phylogeny rely on _____. - Answer-
Morphology; nucleic acid sequences
Covalent bonds - Answer-result from sharing electrons
One nucleotide contains one - Answer-phosphate, pentose sugar, nitrogen base
Among the types of microorganisms, the ___. are non cellullar - Answer-viruses
Using microbes to detoxify a site contaminated with heavy metals is an example of ____
- Answer-Bioremediation
C6H12O6+C6H12O6---> C12H22O11+H2O - Answer-a dehydration synthesis
Which scientific field is involved in the identification, classification, and naming of
organisms? - Answer-Taxonomy
Which type of medium would be the best choice when shipping a sample of bacteria
from a clinic to a laboratory for testing? - Answer-Transport-medium
Which activity is an example of biotechnology? - Answer-
Which of the following is produced by adding 1% to 5% agar to nutrient broth that is
then boiled and cooled? - Answer-A solid medium
, Most biochemical macromolecules are polymers, which are chains of... - Answer-
repeating monomers
A reducing medium contains - Answer-substances that remove oxygen
Which of the following parts of a microscope magnifies the specimen to produce a real
image of the specimen? - Answer-Objective lens
The two major groups of helminths are ___ and the ___ - Answer-roundworm; flatworms
All of the following pertain to virus envelopes except - Answer-located between the
capsid and nucleic acid
A protozoan having flagellum would be classified in the genus - Answer-Trypanosoma
Antiviral drugs are often difficult to develop, largely because - Answer-viruses are
obligate intracellular parasites so the drugs must enter the host cell and often cause
toxic side effects in order to destroy the virus
The activation of a prophage is called... - Answer-induction
Endospores are - Answer-metabolically inactive, resistant to heat and chemical
destruction, resistant to destruction by radiation, living structures
The endosymbiotic theory has been developed to explain the emergence of... - Answer-
eukaryotes
A treatment for bacterial infections from the early 20th century has made a comeback;
the use of bacterial viruses to eliminate bacterial infections. Which explanation most
accurately describes the reason for return of this treatment? - Answer-
A negative RNA virus must first - Answer-synthesize a positive RNA copy of its genome
You've just isolated a new bacterium in pure culture, and you culture it on a general
purpose medium where its cells have a coccobacillus morphology. When you examine
the cells after culturing on a variety of differential media, you fine that in some cases,
the cells appear as coccobacillus, but in others, they can be filamentous, cocci, or club-
shaped. The best explanation for this observation is that.. - Answer-the bacterium is
pleomorphic
Two functions of bacterial appendages are___ and ___ - Answer-attachment; motility
A group of protozoa that are not motile are the... - Answer-Plasmodium sp.
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