Title: Final Exam
Course: Lab Applications of Microbiology > Section: Course Content

1. Description: Final Exam on Experiment 8-12 Objectives
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1. Description: Final Exam on Experiment 8-12 Objectives
2. Force Completion: This test can be saved and resumed later
3. Multiple Attempts: This test allows two attempts. The highest grade will be recorded.

Click Begin to start: Final Exam. Click Cancel to go back.

Q: Which of the following is used to describe the morphology of rod-shaped bacteria?
- cocci
- bacilli
- spirilla
- none of the above
A: cocci

Q: Which of the following is used to describe the morphology of cells that are round and clustered in groups of four?
- diplobacilli
- streptococcal
- tetrad
- sarcina
A: tetrad

Q: Gram negative bacteria appear which color after Gram staining?
- purple
- colorless
- pink
- none of the above
A: purple

Q: The ddifferences in Gram staining happen because of the differences bacteria have in their:
- Cell wall composition
- shape
- endoplasmic reticulum
- none of the above
A: Cell wall composition

Q: What is DNA?
- Delicious Nonfattening Additives
- Deciduous Nickel Alabaster
- Deoxyribonucleic Acid
- Deoxylcyclicnitro Aminate
A: Deoxyribonucleic Acid

Q: Genotype is:
- The genetic makeup of the organism
- The observed features of the organism
- The set of things that can be known about you based on what your favorite brand of blue jeans is.
- none of the above
A: The genetic makeup of the organism

Q: Which of the following is true about bacterial transformation?
- It is the process where a bacterial cell receives a small amount of DNA from the environment.
- It can be used in biotechnology to express genes of interest.
- Applications include production of pharmaceutical proteins, enzymes, and hormones.
- All of the above.
A: All of the above.

Q: Plasmids usually contain a drug resistance gene so that:
- The bacteria don't become addicts.
- Selective media can be used so only the successfully transformed bacteria will grow.
- Drug resistance of bacteria worldwide can be increased.
- none of the above
A: The bacteria don't become addicts.

Q: Cells that have been specially treated to be more likely to take up plasmid DNA are called:
- Competent cells
- Primary cells
- Liver cells
- Smart cells
A: Competent cells

Q: Transformation with plasmids is a useful method that helps us create new biotechnology.
- True
- False
A: True

Q: Which of the following water sources need to be routinely tested for microbial contamination?
- Water storage tanks
- Water wells
- Water reservoirs
- All of the above
A: All of the above

Q: Coliforms are:
- useful indicator organisms
- Gram-positive bacteria
- not lactose fermenting
- bacteria that multiply in natural waters
A: useful indicator organisms

Q: Coliform bacteria grown on Endo Agar will appear colorless.
- True
- False
A: False

Q: The EPA and the CDC have information available on their websites about testing water for coliform bacteria.
- True
- False
A: True

Q: The EPA stands for:
- The Educational Protection Agenda
- The Environmental Protection Agency
- The Environmental Pretense Association
- none of the above
A: The Educational Protection Agenda

Q: Potable water is:
- Water that is extremely turbid
- Water that has a strong, acrid odor
- Water that is safe to drink
- Water that has exceptionally high levels of coliform bacteria present
A: Water that is extremely turbid

Q: Can food become bacterially contaminated when it is being stored?
- Yes, if the temperature is neither hot enough nor cold enough for safety
- Yes, if it is not being protected from dust, insects, and other pests.
- Both 1 and 2 are true.
- None of the above.
A: Yes, if the temperature is neither hot enough nor cold enough for safety

Q: The standard plate count is a simple, official method for checking food for the presence of bacteria.
- True
- False
A: True

Q: Checking food for bacteria is similar to checking water for bacteria, except that the food needs to first be suspended into sterile water.
- True
- False
A: True

Q: Foodborne illness is rare, with less than 7600 people becoming sickened by contaminated food each year in the U.S.
- True
- False
A: False