MMBio 222 Lab Questions with Complete Solutions

Objective of oil immersion lens Correct Answer-100X Resolving power becomes _____ as magnification of the objective lens _______ Correct Answer-Greater, increases The light microscope can distinguish two points that are at least _____ um apart Correct Answer-0.2 What is used to sterilize heat sensitive liquids? Correct Answer-Filtration The streak plate technique uses spatial dilution (Increases the space b/t organisms) to create Correct Answer-pure colonies The component of MacConkey agar that inhibits Gram-pos. growth is Correct Answer-bile salts Asepsis means Correct Answer-lacking viable microorganisms ______ means a specimen in focus under the low power objectives should be nearly in focus under high power objectives as well Correct Answer-Parfocal What is a fomite? Correct Answe