5. Answer the following questions.a. Write the name and structure of the product obtained by thereaction of B-D-glucopyranose with acetic anhydride in thepresence of pyridine at 0 °C? (water or ether)b. Which solvent, water or ether, would you prefer to purify thestarting material?c. Which solvent is preferred for the purification andrecrystallization of the final product from the reaction.

Glucose is hexose sugar that forms a pyranose ring structure in solution. It is an aldose sugar…

Answered: 5. Answer the following questions. a.…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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For 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
3. Compute for the amount of each component of KCN broth if you were to prepare 280 ml. Express your answers using two decimal places. Follow this format in typing your answers: answerabbreviated unit (e.g. 3.00 g, 0.75 ml, 10.25 mg): Components Amount per liter Polypeptone 3.0 g N22HPO4 5.64 g (Available as NazHPO4 · 7H2O*) Monopotassium phosphate 0.225 g Sodium chloride 0.5% KCN 0.075 g (Available as 10,000 ppm solution) *MW (g/mol): Na-23; P-31; H-1; 0-16 3.3. Monopotassium phosphate /r
Name the three different stages in which shape selectivity can take place in zeolite used as a catalyst for reactions with hydrocarbons
There are parts A-C for this picture included. A) What type of enzyme is Malate Dehydrogenase? choices: Hydrolase, Isomerase, Ligase, Oxideoreductase, Transferase, or Translocase B) Which of the following statements are true in biochemical standard conditions? There can be more than 1. Choices: The reaction is spontaneous since ∆G°' is positive The reaction is spontaneous since ∆G°' is negative The reaction is not spontaneous since ∆G°' is positive The reaction is not spontaneous since ∆G°' is positive The equilibrium favors products since K is greater than 1 The equilibrium favors reactants since K is greater than 1 The equilibrium favors products since K is less than 1 The equilibrium favors reactants since K is less than 1 The reaction is always at equilibrium C) If the concentration of Oxaloacetate is 10^7 times lower than the concentration of Malate D.,Is the reaction Spontanuous? Choices: No, because RTInQ is very positive Yes, because RTlnQ is very…
A 25.0 mL sample of a fruit juice requires 13.0 mL of 0.0100 M I2 solution for reaction. How many moles of ascorbic acid are in the sample?
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Examine the chemical reaction for the hydration of the salt calcium chloride, shown below: CaCl2(s)+H2O→Ca2++2Cl–CaCl2(s)+H2O→Ca2++2Cl–
1. Write the reversible reactions with its corresponding enzymes of Dehydration via Hydrolysis reaction. a. Maltose
Consider the oxidation reactions of aldoses and ketoses for the following questions. Part 1 of 4 The following monosaccharide is an aldose H H OH но H H OH CH₂OH Part: 1/4 Part 2 of 4 Change the structure in the drawing area to show the aldonic acid product formed if the compound is easily oxidized. If th check the No changes box under the drawing area. No changes Х H H -OH HO H H OH CH₂OH キ

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