A plant isolate was subjected to qualitative tests to determine the presence of macromolecules. Below is a summary of results obtained: Biuret Ninhydrin Schiff's Test for Test for Deoxyribose Phosphat test test test Violet Violet Pink Blue Yellow solution solution solution solution precipitat To form a definitive conclusion about the isolate, what additional test is needed (if any)? O Wheeler-Johnson Test O Sakaguchi Test O Molisch Test O Dische Diphenylamine Test
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- Why would the following medium not be considereda chemically defined medium: glucose, 5 grams (g);NH4Cl, 1 g; KH2PO4, 1 g; MgSO4, 0.3 g; yeast extract, 5 g;distilled water, 1 liter? What is aseptic technique andwhy is it necessary?Provide a chemical test/reagent that would differentiate each of the following pairs of compounds. Also, for each test, indicate the compound (write only the corresponding CAPITAL LETTER) that would give the positive result, and the indication(s) for a positive result. ОН ОН 1. and A -CEC-H and 2. B HO CH3 OH 3. and B ACan gelatin hydrolysis be correlated with the pathogenicity of a bacterium? Explain your answer. In addition to H2S production and motility, for what other test can SIM medium be used?
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- What are the colour changes occur to the reducing sugars after benedict test is performed? Please mention the colour change observed for each reducing sugars in benedict testWhat is the color result of 1% solution of casein, Albumin, Gelatin in ninhydrin test? Include picture and interpretation With referenceWhat does translucent spot mean with regards to lipid? Identify the control for this test. 1. Oil 2. Cheese 3. Water 4. Cheese