Posted: April 28th, 2017

What is the color of phenolredat an acid pH?

Exercise4: Somemetabolicactivitiesofbacteria

1.Whatis thecolorof phenolredatanacidpH?

2.Whatis thefunctionofaDurhamtube?

3.Whyisiodineusedtodetectstarchhydrolysis?

4.Howisindoleproducedin SIMmedium?Howis itdetected?

5.Howis hydrogensulfidedemonstratedinthismedium?

Exercise 5: Fungi, yeasts and molds

1.Whatis theadvantageof viewingmoldstructuresinatransparenttapepreparation?

2.Whatfunguscanbe identifiedreliablybyusingthegermtubetest?

3.Namethreestainsorreagentsthatmaybeusedtofacilitatethemicroscopicdetectionoffungiinclinicalsamples.

4.Whatis themainadvantageof usingtheslideculturetechniqueforidentifyingmolds?

5.Whatis anopportunisticpathogen?Namethreefungalspecimens.