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13 Dec 2019

What was the purpose of the dry filter paper

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17 Dec 2019
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Related questions

Plant pigments can be separated using paper chromatrography. A sample of leaf extract is deposited at a spot near one end of the filter paper. The end of the filter paper is place in the solvent, called the _______ phase.

Question 13 (1 point)

Which of the following would be the method of choice for sterilizing petri plates?

Question 13 options:

Ultraviolet light

Filtration using 0.2 micron cellulose acetate filter

Ionizing (gamma radiation)

Dry heat at 170ºC for 2 hours

70% ethanol

Autoclaving

Ethylene oxide gas

Save

Question 14 (1 point)

Which of the following would be the method of choice for sterilizing food cans?

Question 14 options:

Ionizing (gamma radiation)

Dry heat at 170ºC for 2 hours

Autoclaving

Filtration using 0.2 micron cellulose acetate filter

70% ethanol

Ethylene oxide gas

Ultraviolet light

Save

Question 15 (1 point)

Which of the following would be the method of choice for sterilizing vaccines containing protein antigens?

Question 15 options:

Dry heat at 170ºC for 2 hours

Autoclaving

Filtration using 0.2 micron cellulose acetate filter

Ethylene oxide gas

Ultraviolet light

70% ethanol

Save

Question 16 (1 point)

Which of the following would be the method of choice for sterilizing surgical dissection related tools?

Question 16 options:

70% ethanol

Dry heat at 170ºC for 2 hours

Ultraviolet light

Ethylene oxide gas

Autoclaving

Filtration using 0.2 micron cellulose acetate filter

Save

Question 17 (1 point)

State true or false: The best practice is to label the lid of a petri plate.

Question 17 options:

True

False

Save

1. How would you expect the zone of inhibition to change in a Kirby Bauer test if the antibiotic concentration added to the filter paper was doubled?

A. Larger B. Smaller C. Stay the same

2. How would you expect the zone of inhibition to change in a Kirby Bauer test if the agar depth was doubled?

A. Larger B. Smaller C. Stay the same

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