Which of the following is true about membrane filters?
A. It can be used only to remove organisms from liquids.
B. It can be used only to remove organisms from liquids and it does not truly sterilize because it removes rather than kills microorganisms.
C. It does not truly sterilize because it removes rather than kills microorganisms.
D. It can't be depended on to remove all viruses from liquids.
Answer: D
You might also like to view...
Most of the tallgrass prairies have been converted ____
a. to grazing lands b. for citrus production c. to homesteads d. to croplands e. to vineyards
The liver performs all of the following functions EXCEPT for ____
a. secreting digestive enzymes into the small intestines b. producing bile c. synthesizing plasma proteins d. storing excess glucose e. storing vitamins and minerals
You want to determine the location of a specific protein in a cell using a colored stain. Which of the
following is the best technique for this purpose? a. electron microscopy b. phase contrast microscopy c. bright-field microscopy d. fluorescence microscopy e. dark-field microscopy
Which of the following is also known as the voice box?
a) bronchioles b) larynx c) trachea d) epiglottis