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- What staining is used for this microspecimen? a. Methilen blu b. Toluidin blu c. Eosinophilin d. Eosin e. Hematoxilin O f. PAS-ABThis test gives yellow solution, indicating the presence of proline* A. Biuret B. Ninhydrin C. Hopkins-Cole D. Lead acetate E. None of the given optionsa. Using table as a reference, find and explain the differencesbetween the results for Staphylococcus and Pseudomonas. Are anyof these drugs broad spectrum?b. Explain the difference in the MIC of E. coli for penicillin versusampicillin.
- Chemical tests See bottom of page 8 for instructions on how to complete this table. C. Biuret test Solution turins olive greeni Yeu ight Pur ple A. Iodine test B. Benedict's test Description of Solution turne Slohtion turns positive result Tube No. and (copy from Contents dark Purple or brovniornd asbiutrldeins Pp. 7-8) decp blue-blakk or tomoto of Short +/- Appearance blue (from p. 9) らish | +/- | Appearance blae Appearance +/- 1 - Orense 2 - Glucose Starch orunde Orange 3 - ders Brtelt blue blue blve bue 4 - alanine oransC- blue - 5. blue iout bue t orange Why was it important to have tube number 1 in each test? (Don't just say "because it's the control", and don't copy from the lab instructions-write out your own understanding of why and how that tube was used.)Alpe Describe the tests used to identify Strep, and use a dichotomous key to successfully identify an unknown (what to look for in each) a. Hemolysis b. Optochin sensitivity c. Bacitracin sensitivity d. Growth in high salt environmentWhat test are you going to use in the lab to determine the presence of eggs in a cake: a. Fehling's b. Benedict. c. Bial's d. Sudan III e. Biuret Bials test is used for detecting. ................... in a solution. a. Collagen b. Carbohydrates c. Fatty acids d. DNA e. Ribose When does crossing over occur during melosis? a. Metaphasell b. Telophase c. Prophase 11 d. Anaphase! e. Prophase!
- The glyoxylic test is a qualitative test for the presence of a.histidine b.all of these c.tryptophan d.alanine1. Provide the Principles and detailed procedures of the following tests for the "Color Reaction of Proteins". A. Biuret Test B. Xanthoproteic Test C. Millon's Test D. Ninhydrin Test E. Hopkins-Cole Test F. Sulfur Test G. Heller's Test1. It is used to detect the presence of free amino groups, thus, differentiating primary from secondary amino acids. a.Lead-sulfide test b.Ninhydrin test c.Hopkins cole's test d.Xanthoproteic test e.Biuret test 2. It is used to detect the presence of aromatic groups that are derivatives of benzene. a.Lead-sulfide test b.Ninhydrin test c.Hopkins cole's test d.Xanthoproteic test e.Biuret test
- When determining the clinical significance of cultures, a. the number of microbes is signifi cant. b. the presence of a single colony of a true pathogen may indicate the presence of the disease if the culture comes from a site known to be sterile (i.e., cerebrospinal fl uid). c. the repeated isolation of a relatively pure culture of any microorganism can mean it is an agent of disease, although this is not always the case. d. a range of tests may be needed to identify a pathogen. e. all of the above are true.Among the many methods, please identify Bacillus cereus bacteria, in staining reactiontests, such as A.simple staining B.gram staining C. isolation tests To distinguish specific cultural characteristics of Bacillus cereus bacteria, please explain how to identify Bacillus cereus in these tests below? D indole test, E.starchhydrolysis test F. citrate test.Explain the mechanism of the ESR test. B. What is the clinical significance of the ESR test. C. State two precautions to be observed during the ESR test.
