Answer Happy

D Question 7 Which of these is a reason microbiologists use acid-fast staining? Prevent infeciton from disease causing bacteria O Able to look at live, stained cells O Able to compete the staining process without heat O Avoid having to use a counter-stain O Able to stain cells with a high lipid content cell wall Question 8 Thermodurics are bacteria capable of what?! O growth at high temperatures survival at high temperatures sporulation at high temperatures O respiration at high temperatures O fermentation at high temperatures 2.5 pts 2.5 pts

Question 9 Microorganisms use enzymes like catalase and peroxidase to O Help them use oxygen for an energy source Increase the activity of fermentation reactions Degrade proteins for use inside the cell Inhibit fermnetation pathways Convert toxic oxygen forms to less harmful compounds 2.5 pts