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- 1. Multiple Choice
A spectrophotometer can be used to determine the % transmittance and the absorbance of a solution. When these two sets of readings are placed on a double Y-axis graph, their relationship to each other becomes obvious. What is this relationship?
Linear
Inverse to each other
It depends on the wave length that is being measured.
They are very similar to each other
- 2. Multiple Choice
Each BioSafety Level is associated with types of agents the lab works with, and special equipment that allows scientists to work safely with those agents. Which of the following best describes agents associated with a BioSafety Level 2 Lab?
Agents that might cause disease in plants, but not in humans.
Agents that are associated with human disease, but are rarely serious.
Agents which can be lethal to humans, but might be treatable.
Agents that are likely lethal to humans, and no treatment is available.
- 3. Multiple Choice
What is the molar mass of silver nitrate? (AgNO3)
140.87 g/mol
169.87 g/mol
213.69 g/ml
395.69 g/mol
- 4. Multiple Choice
A medical research facility is working on a better treatment for the West Nile Virus. Amazingly, you have been granted an escorted tour of the facility. Before entering you must put on a full bio-suit that covers you from head to toe. As you enter, you are greeted by the supervising scientist.
Which BioSafety Level would this lab be rated?
1
2
3
4
- 5. Multiple Choice
During a lab, you need to transfer 4.5 mL of a solution from a 150 mL flask to a 15 mL conical tube. Which of the following would be the best to use?
25 mL beaker
5 mL serological pipette
50 mL graduated cylinder
P10 micropipette
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