Tables E & F. Hopkins-Cole and Bromine Water Reaction Samples TESTS Hopkin's Cole purple ring present purple ring present purple ring present purple ring absent Bromine Water 1. Tryptophan 2. Casein 3. Albumin 4. Gelatin 5. Peptone 6. distilled water purple ring absent
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color of the bromine water test
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- One of the blocking solutions that is traditionally used is non-fat milk, but this is not recommended for studies of phosphoproteins. Why?Can yiu answer the following.: 1. Basuc of sifnal trwnsduction pathway in alcohol 2. Specific of cellular response and organismal response in alcohol42 Phosphorylation of which sight has a role in drug tolerance? Select one: a. DARPP-32 b. DAT c. CRE d. CREB
- How much caffeine can be extracted using 50.0ml of DCM if a tea bag contains 15 grams of tea leaves with 0.9% of caffeine? And has undergone solid-liquid extraction with 100ml of distilled water followed by liquid-liquid extraction using DCM. The solubility of caffeine requires 15 ml of water and 2.0ml of DCM for 40.0mg.Guanosine (C10H13N5O5) in solution has a maximum absorbance at a wavelength of 275 nm. The molar extinction co-efficient at this wavelength is 84M−1cm−1and the path length is 24.7 cm. Through the use of a spectrophotometer, it is found that the that A275= 1.48. What is the concentration of the guanosine solution in grams/litre? Molecular weights (g/mol): C-12, H-1, N-14, O-16 Select one: A. 0.201869 g/L B. 0.435188 g/L C. 0.059919 g/L D. 0.294046 g/L E. 0.000713 g/LUnderstanding an Antidote for Cyanide Poisoning Sodium nitrite (NaNO2) is used by emergency medical personnel as an antidote for cyanide poisoning (for this purpose. it must be administered immediately). Based on the discussion of cyanide poisoning in Section 20.4. Suggest a mechanism for the lifesaving effect of sodium nitrite.