Free radical chlorination (Cl2, hv) is not very selective. Which of the following compounds will give the most selective mono-chlorination?
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- Why Nitrogen (or Argon) Gas Is Used as a Wine Preservative?Identify the function of the following enzymes: Superoxide dismutase (SOD)Most of the following conclusions regarding the photo shown above are correct Except: All of the following are correct regarding the disk diffusion test photos EXCEPT : Zone of inhibition Chlorine Chlorine Chlorine O-phenylphenol Hexachlorophene O-phenylphenol Hexachlorophene Hexachlorophene O-phenylpheno Quat Quat Quat Staphylococcus aureus (gram-positive) Escherichia coli Pseudomonas aeruginosa (gram-negative) (gram-negative) Select one: O to. Gram negative bacteria are the most sensitive to chemical agents O b. Only one of the four chemicals affected Pseudomonas O c. Gram positive bacteria are the most sensitive to disinfectants O d. Hexachlorophene was effective only against Gram positive bacteria. O and. Chlorine was effective against all bacteria bacteria tested
- Suppose you have an initial chlorine concentration of 5%. Then out of that, you are told to prepare 1L chlorine solution with concentration of 200ppm to sanitize the stainless steel table at the processing area. How are you going to prepare the solution?Why does picric acid and tannic acid are used to treat burn?Given the following common laboratory materials, which of the three methods of heat sterilization do you think is the most appropriate and practical to use in sterilizing them ? Why do you think so ? a) empty flask b)L-rod (glass rod c)10 ml glass pipet d) wire needles e)antibiotic solution
- There are 5 TSIA media A-E beginning from the left. Describe the reactions in tubes B, C, D, E only.In relation to UV spectroscopy, why do these two reactions occur simultaneously?Briefly discuss why increased chlorination of organic compounds increases the recalcitrance or stability of the molecule in the environment.
- explain three starting compounds for industrial vanillin production. explain two genetic modifications that has been done to improve vanillin production.What is the purpose of the vial that does not contain chara? (the solution with chara turned green showing that it is neutral) (the btb solution was yellow so it was acidic)Which among the ingredients of this product is the main preservative? Explain.