For most cells that have 0.9% NaCl in the cytoplasm, including E. coli, the (non-0%) experimental environments used in the Osmotic Pressure lab are:
Select one:
a. Hyperosmotic
b. Acidic
c. Isosmotic
d. Hyposmotic
To increase turgor pressure in a culture of cells, you would add:
Select one:
a. Salt water (3% NaCl)
b. Saline (0.9% NaCl)
c. Distilled water
d. Extreme salinity (25% NaCl)
A common bacterial species living in the human intestine is:
Select one:
a. Staphylococcus aureus
b. Escherichia coli
c. Bacillus subtillis
d. Clostridium tetani
e. Streptococcus pyrogenes
In a solution where the solute concentration is high, the water concentration is:
Select one:
a. High
b. Low
c. Super duper pressurized
d. Unaffected
e. Equal
Which BSL does not require a primary barrier?
Select one:
a. BSL-1
b. BSL-2
c. BSL-3
d. BSL-4
e. BSL-5
If a non-infected individual tests positive for the infection, this would be
Select one:
a. A false negative
b. A false positive
c. A true negative
d. A true positive
e. High sensitivity
For most cells that have 0.9% NaCl in the cytoplasm, including E. coli, the (non-0%) experimental environments used in the Osmotic Pressure lab are:
Select one:
a. Hyperosmotic
b. Acidic
c. Isosmotic
d. Hyposmotic
To increase turgor pressure in a culture of cells, you would add:
Select one:
a. Salt water (3% NaCl)
b. Saline (0.9% NaCl)
c. Distilled water
d. Extreme salinity (25% NaCl)
A common bacterial species living in the human intestine is:
Select one:
a. Staphylococcus aureus
b. Escherichia coli
c. Bacillus subtillis
d. Clostridium tetani
e. Streptococcus pyrogenes
In a solution where the solute concentration is high, the water concentration is:
Select one:
a. High
b. Low
c. Super duper pressurized
d. Unaffected
e. Equal
Which BSL does not require a primary barrier?
Select one:
a. BSL-1
b. BSL-2
c. BSL-3
d. BSL-4
e. BSL-5
If a non-infected individual tests positive for the infection, this would be
Select one:
a. A false negative
b. A false positive
c. A true negative
d. A true positive
e. High sensitivity
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