Multiple Choice
Membrane filters are used for sterilization because _____.
A) filters with smallest pore size do not clog easily
B) many materials are destroyed by heat sterilization
C) they are used to sterilize only very small amounts of liquid
D) they are impractical for the filtration of beer,sera,media,vitamins and drugs
Correct Answer:
Verified
Correct Answer:
Verified
Q22: Foods should not be refrozen because<br>A)they will
Q23: The use of phenol as a standard
Q24: What is a chemical agent that can
Q25: Which is not used when trying to
Q26: Disinfection is the _.<br>A)killing of certain microorganisms
Q28: When an antimicrobial agent permanently denatures proteins
Q29: Soluble compounds that reduce surface tension thus
Q30: All of the following pertain to the
Q31: Agents that adversely affect cell wall formation
Q32: Agents that denature proteins include all of