Answer Happy

8. Sensitivity to an antibiotic using the agar diffusion method is determined by measuring the A) turbidity of the organisms B) diameter of the zone of no growth C) diameter of the disc D) all of the above E) none of the above = identify 9. Lactobacilli, often used in the production of various cheeses and milk products, retains the crystal violet iodine complex after washing with acetone/alcohol. Therefore, this organism A) will produce colorless colonies of EMB B) will not grow on blood agar C) produces colorless colonies on EMB agar D) will not grow on MacConkey's agar E) none of the above = identify 10. Holes in Swiss cheeses and in breads and other bakery products is due to the production of by the process of A) oxygen - phosphorylation B) carbon dioxide - fermentation C) lactic acid anaerobic respiration D) nitrous oxide - nitrogen fixation E) none of the above = = identify