The Xanthoproteic test involves what type of reaction?
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- Study the given structures below. Which of the following are epimers? H. H- HO- но H- H- он но H- H- OH HO- но- но H- но- -- но -H но- H- но- HHOH CH;OH H- O- -OH- H- OH CH;OH ČH;OH CHOH D-Gul D-Ido D-Gal D-Tal D-Gul and D-Ido D-ldo and D-Gal D-Gal and D-Tal D-Gul and D-Gal None of the given optionsWaRetajarmecology Mcosolt Stream Which the following statements is/ are true regarding the illustrated drug? H,N -COOH 1. The nitrogen plays a role in the mechanism of action unlike chlorine atom. IL. The aromatic ring increases its chemical stability IL It is a prodrug IV.t binds to its target irreversibly V. A phenylalanine moiety can increase the entry into cancer cellsWhich of the following represents a pair of epimers? A с OH OH -OH OH НО-С-Н НО-С-Н OH O C-H OH O C-H H-C-OH НО-С-Н H-C-OH H-C-OH H-C-OH НО-С-Н H-C-OH НО-С-н CH.OH CH.OH В н 0 Н- C-OH H-C-OH H-C-OH H-C-OH CH, OH D Н 20 НО -H но- -Н FO H+H H-C=O но-с-н H-C-OH CH,OH Н-С=0 но он H-C=0 HO-OH O= н-н H-C=O
- Draw the products formed when β-D-galactose is treated with below reagent. NaH + C6H5CH2ClThe following structure is D-sorbose. Which reagent will oxidize D-sorbose? CH2OH C = 0 Н-С-ОН НО - С - Н Н-С-ОН CH2OH Benedict's reagent None of the above Sodium hydroxide Tollen's reagent Barfoed's reagentA solution is tested with three indicators and it has a pH of 9.8. Identify the colours of the following indicators: alizarin yellow R color:yellow,orange or red thymol blue: yellow,orange,blue or red bromothymol blue: yellow, green or blue
- A mixture of dipeptides consisting of Lys-Gly, Thr-His, Ser-Leu, Glu-Gln was applied to column packed with cation-exchange resin at pH 6.0. Which of these dipeptides would be eluted from the column first? O Lys-Gly first O Thr-His first O Ser-Leu first O Glu-Gln first OA mixture of Thr-His and Ser-Leu firstWith the aid of diagrams, illustrate the biochemical basis of the following: Allopurinol used in the management of gout Hydroxyurea as an antineoplastic agent 6-mercaptopurine, an anticancer agent Trimethoprim, an antibacterial agentFor 4-aminosalycilic acid please pick only the second choice phase 2 metabolite per handle present in the drug: OH H,N 4-Aminosalicylic acid OH إختر واحدة أو أكث OH OH NH, HN HO. OH HN HN он HO HO он HQ HO. HO. HN
- Does it safe to use sunscreen E on the acne prone skin, Sunscreen E has lists of ingredients below (descending order)…. aqua homosalate Alcohol Denat. Butyl Methoxydibenzoylmethane Bis-ethylhexyloxyphenol methoxyphenyl triazine Ethylhexyl Salicylate Ethylhexyl Triazone Diethylamino Hydroxybenzoyl Hexyl Benzoate Tapioca Starch C12-15 Alkyl Benzoate Dibutyl Adipate Phenylbenzimidazole Sulfonic Acid Stearyl Alcohol Butylene Glycol Dicaprylate/Dicaprate Copernicia Cerifera Cera Glyceryl Stearate Lauroyl Lysine Triacontanyl PVP Glycyrrhetinic Acid Glycyrrhiza Inflata Root Extract Glycerin Chondrus Crispus Extract Silica Dimethyl Silylate Sodium Stearoyl Glutamate Dimethicone Xanthan Gum Acrylates/C10-30 Alkyl Acrylate Crosspolymer Trisodium EDTA Sodium Hydroxide Sodium Chloride Phenoxyethanol ParfumMatch the following: Schiff test Tollen’s test Fehling’s test Benedict's test Iodoform test 2,4-DNP Test Benzaldehyde Sodium nitroprusside Cuprous oxide Cupric sulfate unspecific test for carbonyls acyl substitution chromophore of N in the visible result Citrate complex oxidizing agent bounded aldehydes aromatic substitution reducing agent ketone bodies Tartrate complex Uses a basic solution/medium uses an acidic solution/medium malonate complex reduction product readily oxidizes to RC=OR form Bitartrate complex Readily oxidizes to COOH form readily oxidizes to COH formMatch the antibiotic to its target rifamycin, rifampin [ Choose ] Quinolones, fluroquinolones, ciprofloxacin [ Choose ] aminoglycosides, tetracylines, [Choose] chlorampneicol, macrolides sulfamethoxazole, trimethoprim [Choose ] methicillin [Choose]