front 1 1.What type of inclusions are easy to spot by negative staining?
| back 1 C) Refractile cytoplasmic inclusions |
front 2 1.What is the main advantage of using negative staining? | back 2 B) It is a quick procedure |
front 3 1.What can negative staining be used to demonstrate? | back 3 B) Extracellular structures |
front 4 1.What type of layer do many bacteria secrete outside of their cell
wall? | back 4 C) Mucoid layer of polysaccharide or polypeptide |
front 5 1.How do encapsulated bacteria usually appear in colony morphology?
| back 5 B) Gooey, slimy, smooth, and shiny |
front 6 1.How can the presence of capsules be confirmed? | back 6 B) By using capsule stains or negative staining |
front 7 1.What appearance does the capsule have when smears of encapsulated
cells are prepared with Congo red? | back 7 B) Clear halo surrounding the cell |
front 8 1.Why are some bacteria difficult to see without special staining
techniques? | back 8 C) They secrete extracellular polymers |