If no parasite was detected in the samples, what could be the possible reason/s. What is the implication of your result?

HonorSociety org č. * SpiasiLa * Maps New Tab Describe your color observations of the Nitrate test. a. after adding Reagents A, B (and/or znic): cements b. Did the organism reduce nitrate? (yes or no) ments c. Is the final product nitrate, nitrite or ammonia/nitrogen gas? sions ing es Question 13 4 pts y Resources ules Based on your observations of the SIM test: ple a. Did sulfur reduction occur (yes/no)? zes b. Did the organism produce the enzyme tryptophanase (yes/no)? abus m c. Is the organism positive or negative for the motility test?

How about the top two reasons why layering procedures should be used? Provide evidence by citing particular cases.

Based upon your knowledge of the 5 I's of microbiology, which type(s) of tests were used in this study to identify the group A streptococci in the specimens collected? How were the other four I's also used in this study? Give specific examples.

Which of the following is false about counting viable cells?  A. CFU(Colony forming unit) are counted instead of individuals cells  B. Only 30-300 CFUs are statistically valid  C. Colonies growing on the plate represent a fraction of the live cells in the original sample  D. You can determine the number of live cells in a broth culture  E. It is necessary to multiply the by CFUs to determine the number of viable cells in the original sample

om/webapps/assessment/take/launch.jsp?course_assessment_id%= 498749_1&course_id%3= 111786 1&content id3= Ac... Customize Links Free Hotmail Windows Windows Media Imported From IE Importe Differential . QUESTION 4 What do you do in between each streak on a streak plate? Dip the loop into the culture

A virus broke out in a remote area. There are no infected people in my area yet. But we have lots of samples. Please explain in detail how we got a lot of samples.

Is organism 1 a plant animal or neither explain  what procedure would you used to perform test A then explain how the results of test A allow you to determine wether the test was positive or negative for organism 1?