Practical 2 - UARK Exam
Questions and Complete
Solutions Graded A+
Denning [Date] [Course title]
,No - Answer: Are you allowed to wear open toed shoes in lab?
2 - Answer: How many unexcused absences can you have before you have to take a zero for the lab?
False - Answer: True or false:
- Chewing gum is allowed in lab.
False - Answer: True or false:
- You can do the virtual part of lab AFTER you have come to lab and done the experiments.
False - Answer: True or false:
- You can use the course knob on 40x and 100x.
Brightfield - Answer: What type of microscopy do we use?
True - Answer: True or false:
- We use nutrient broth tubes and agar plates for the environmental bacteria experiment.
1,000 - Answer: What is the total magnification when using the 100x objective lens?
True - Answer: True or false:
- Spraying down the workstation before starting lab with disinfectant is to kill the vegetative cells and
viruses.
Thick layer of peptidoglycan - Answer: Gram positive cells have a...
True - Answer: True or false:
- The smear prep slide must air dry before heat fixing.
, Exosporium - Answer: The protein protective coat around the endospore is...?
True - Answer: True or false:
- Mycolic acid is part of the acid fast bacteria's cell wall.
Red / pink - Answer: What color is the acid fast bacteria?
True - Answer: True or false:
- The endospore is resistant to most things.
Studying the effects on bacteria - Answer: How are we able to see bacteriophage without an electron
microscope?
False - Answer: True or false:
- Brownian motion and chemotaxis are the same thing.
True - Answer: True or false:
- B. cereus is one of the bacteria being used in the motility lab.
True - Answer: True or false:
- Plaque forming units (PFUs) can be counted to determine the number of viral particles affecting
bacteria.
Capsid - Answer: What part of the virus protects the nucleic acid?
Colony morphology - Answer: What is the quadrant streak used for?
Oxygen requirements - Answer: What is the purpose of the fluid thioglycollate medium (FTM) test?