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 Conclusion: Chromosomal DNA was possibly extracted from the plant. O True False
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- d/e/1FAIpQLSfTle9UfP15_VUqFI-ACEQd1XBykXv5Lr4dEMQbLJ1d6fCupw/viewform Students subjected three samples of five different molecules to gel electrophoresis as shown in Figure 1 A B C DE +2 3 Wells 4 8. Which of the following statements best explains the pattern seen on the * gel with regard to the size and charge of molecules A and B? 1 point molecules A and B are positively charged, and molecule A is smaller than molecule B. molecules A and B are positively charged, and molecule A is larger than molecule B. molecules A and B are negatively charged, and molecule A is smaller than molecule B. molecules A and B are negatively charged, and molecule A is larger than molecule B. Sign outMOLLISCH TEST You can use this as your reference : https://youtu.be/rKng5-ij6kQCan 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?
- witj the following imformation create figures and explain the resultsIf 0.1 ml of a 1 * 10−6 dilution plate contains 56 colonies, calculate thenumber of cells per ml of the original cultureIdentify the following on the gel electrophoresis 2-leg 2-log ladder 3 Kb 1022 bp 1022 bp 765 bp 880 bp 765 bp 1 Kb S00 hp 100 bp sample given
- a. Explain whether or not any of the methods in fi gure 2.9 could beused to determine the total number of cells present in a patient’s specimen.b. After performing the streak plate method on a bacterial specimen, theculture was incubated for 48 hours at 37°C. Upon viewing the plate, therewas heavy growth (with no isolated colonies) in the fi rst quadrant, but nogrowth was apparent in the remaining quadrants. Please discuss errors in the procedure that could have produced this result.Write the procedure for celloidin embeddingwrite a short not on insoluble polymer matrix system of modified dosage form. question is related to pharmaceutical subject so this question accordingly.
- What is the result of this biochemical test in the gelatin deep?cWhich enzyme is this testing for? What tool is used to inoculate this medium?Explain the test to perform by gel electrophoresis?Imagine you have been given a liquid culture of yeast with a starting concentration of 3.67 x 10' cells/ml and are asked to carry out the sample dilution process shown in the figure below. 100μl 100μl 100μl 100μl 100μl 0.9ml 0.9ml 0.9ml H2O H₂O 6.9ml 0.9ml H₂O H₂O H₂O Original 10-1 102 10-3 104 Culture 105 100μl 100μl 100μl Plate A Plate B Plate C a. How many colonies should have been present on Plate A in this example? - Answers must be whole numbers as partial colonies are not expected. b. Imagine you carried out the same dilution scheme shown in the figure above, but now, you do not know the concentration of the original culture. If you counted 163 colonies on Plate B, what is the concentration of cells/ml in the original culture?