Answer the following questions 1 true or false the

Answer the following questions
1. True or False. The presence of cytochrome C is often associated with aerobic bacteria.
2. Which STD is most often identified using the Oxidase test?

3. Using the catalase test, a Staphylococcus sample would be:
4. True or False. The catalase test is a qualitative and selective assay.
Answer the following questions
1. Fibrin is another term for _______________?
2. Once you inoculate the rabbit plasma containing media for the coagulase test, how long do you wait to read the sample
results?
3. How is fibrin beneficial to a bacterium in terms of antibody recognition? 4. The hydrolysis of triglycerides on a spirit blue agar plate most closely resembles that of __________ hemolysis on a blood
agar plate.

C. Alpha
D. None of the above.
B. Beta.
5. As stated in the lab video, an example of a lipase-positive bacterium is:
A. Staph aureus
B. Pseudomonas
C. Bacillus subtilis
D. Streptococcus
C. Bacillus subtilis
Answer the following.
An unknown bacterium (Sample A) was tested using several of the rapid, qualitative tests described within this lab lecture.
Using the images of the results below indicate the lab results for each test (1-3) as either positive or negative, then using the
decision tree identify the unknown bacterium by the corresponding letter.
The unknown sample is: Oxidase-positive (aerobic), catalase negative and coagulase-positive, which on the
decision tree, corresponds with the letter C.
Answer the following questions

1. In order to assess a liquid bacterial culture for tryptophan breakdown, ~5 drops of _______ reagent is added.
2. How would a microorganism be classified (positive or negative) if a pink/red band was observed at the top of a liquid
culture containing tryptophan?
3. Name one advantage that the ability to breakdown tryptophan brings to a microorganism. Answer the following questions