Vitamin C is ascorbic acid.  If you examine the structure of asorbic acid given in the background secton (equation 2) there is no -COOH group present.  In the structure shown, the ascorbic acid is as a lactone or cyclic ester.  Write the equation for the hydrolysis (cleaveg by addition of water) of the lactone to the carboxylic acid.

Q: Below is the structure of chitosan, a polymer used in wine fining to remove protein aggregates that…

A: The measure of acidic or basic property of a solution is referred to as pH. pH range of a solution…

Q: Isomerization of the following ketose can give two aldoses. Draw the structures of the two aldoses…

A: The given sugar is α-D-fructose. α-D-fructose is a ketose sugar. Carbohydrates or sugar molecules…

Q: Consider olive oil, an oil with a high percentage of fat derived from oleic acid (otherwise known as…

A: When the two hydrogen atoms of the fatty acids which adjoin the double bond are in the same chain,…

Q: Name and draw the structure of the a-keto acid resulting when each of the following amino acids…

A: Transamination is a chemical reaction that transfers an amino group to a keto acid to form new amino…

Q: Draw a glycerol bonded to two stearic acids and a phosphate group with an “R” group attached –…

A:

Q: Using skeletal structures, draw the structure of a simple triacylglyceride containing 1…

A: A triglyceride is an ester derived from glycerol and three fatty acids.

Q: The sugar alcohol often used in “sugarless” gums and candies is Lsorbitol. Much of this alcohol is…

A: L- Sorbitol is a sugar alcohol which is sweet to taste. Sorbitol is mostly made from potato starch,…

Q: Amino acids can be prepared from a-halo carboxylic acids [RCH(X)COOH] by reaction with excess NH3.…

A: Amino acids are the organic acids that contains an amino group, carboxyl group, hydrogen atom, and…

Q: Tridecane [CH3(CH2)11CH3] is a major component of the repellent that the stink bug Piezodonis…

A: Introduction  Most mammals have exocrine glands called scent glands. Pheromones and other…

Q: Based on the following titration table of Glycine, would you be able to recreate the same for…

A: Glycine is an amino acid. It has a single hydrogen atom as its side chain. It is the one of the…

Q: Draw the structure Rutinose: -L-rhamnopyranosyl-(16)--D-glucopyranose

A: 2D structure Conformation structure

Q: Write the name of the oligopeptide L-E-T-S-P-R-A-Y using their full amino acid names. Draw the…

A: Amino acids are molecules that serve as monomers for proteins. Each amino acid is composed of a…

Q: Ketohexose sugars can form 8 different stereoisomers. How many of those isomers can be distinguished…

A: Introduction: Thin-layer chromatography is a chromatography technique based on the principle of…

Q: What is the optimum pH to separate a mixture of lysine, arginine, andcysteine using electrophoresis?…

A: Electrophoresis is the technique used for the separation of proteins based on the charge and size of…

Q: How many reducing ends and non reducing end does O-a-D-glucopyranofil(l ➔1) a-D-glucopyranoside(a…

A: Disaccharides are  simple sugars composed of 2 monosaccharides connected via a glycosidic bond. They…

Q: D-galactose (Figure 2) reacts with methanol. Edit the structure of D-galactose drawn below to create…

A: Carbohydrates such as monosaccharides reacts with methanol in the presence of an acid to form acetal…

Q: (a) Draw a three-dimensional line structure of (4S,5Z)-4-amino-5,6-difluorohept-5-enal. Place the…

A: The Cahn Ingold Prelog is generally the sequence rules that are created for organic chemists Robert…

Q: Write the one letter code for the oligopeptide Ser-Cys-Ile-Glu-Asn-Cys-Glu and calculate the total…

A: On a logarithmic scale from 0 to 14, pH, or "potential of hydrogen," measures the acidity or…

Q: The amount of branching (number of (α1→6) glycosidic bonds) in amylopectin can be determined by the…

A: 1.Explain the basis of this procedure for determining the number of (α1→6) branch points in…

Q: A disaccharide that is found in dairy products can be formed by the two monosaccharides. Please draw…

A: The organic molecules known as carbohydrates are made up of three elements: carbon, hydrogen, and…

Q: isomaltose is a disaccharide which can be obtained by enzymatic hydrolysis of amylopectin. Deduce…

A: Disaccharide sugars are the ones that are formed when two monosaccharides are joined by glycosidic…

Q: Imagine a trisaccharide that has D-Altrose, D-Gulose, and D-Ribose. D-Altrose is bonded to D-Gulose…

A: Trisaccharides is a complex carbohydrate that was composed of three monosaccharides units linked by…

Q: CH2OH 바 조 он г 어 H CH2OH ㅇ 애 1 에 Beta-Derunopyranose KH H+ H2M осH2он 애 애 애 alpha- D- erunopyrunose

A: Carbohydrates or carbs are maconutrient consisting of Carbon, hydrogen and oxygen atoms. In nature…

Q: Linear homoglycan of glucose connected by α1-4 linkages…

A: Polyssacharides are the long chains of carbohydrate molecules which are composed of several units of…

Q: (a) A decapeptide has the following amino acid composition: Alaz, Arg, Cys, Glu, Gly, Leu, Lys, Phe,…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: How could you make the zwitterion of aspartic acid more soluble in water?

A: A zwitterion is considered as a chemical compound, which has both charges positive as well as…

Q: dentify and describe how you would PEGylate this peptide at its N- terminal amine. Discuss the…

A: The process of PEGylation improves drug solubility and decreases immunogenicity of a molecule that…

Q: What is the molecular weight of a linear polysaccharide consisting of 7 galactose monomers and 1…

A: Glucose and galactose are monosaccharides that are also referred to as simple sugars. They represent…

Q: Determine the net charge on the following pentapeptide "Lys-Ala-His-Asp-Ser" at: a. pH 1.0 b. pH…

A: The estimated charge on the given Lys-Ala-His-Asp-Ser peptide is +3.At low pH, the amino acid is…

Q: Write the structure of the Monosaccharide (Aldoses Family and Ketoses family)

A: Carbohydrates are composed of carbon, oxygen, and hydrogen which are connected by the…

Q: The melanocyte-stimulating peptide hormone a-melanotropin has the following…

A: The classic melanotropin, alpha-melanocyte-stimulating hormone (alpha-MSH), also known as…

Q: Which structure is the correct Haworth representation of…

A: Carbohydrates are composed of carbon, hydrogen, and oxygen in the ratio of 1:2:1. Carbohydrates act…

Q: Draw the structure of the glycolipid.

A: Glycolipids are lipids with a carbohydrate attached by a glycosidic bond. Their role is to maintain…

Q: Given the following choices, a. what is the structure of the product of the reaction catalysed by…

A: Asked :  The structure has to be matched with the description given.

Q: Draw the condensed structural formula of a gycerophospholipid trat contains two stearic acids and a…

A: Definition of condensed structure - The system for writing organic compounds in a single line is…

Q: It is well known that sphingomyelin interacts with cholesterol and high affinity. What do you…

A: Cholesterol interacts with glycosphingolipids in the plasma membrane to form freely floating…

Q: dentify the primary structure of a hexapeptide containing five different amino acids if the…

A: The primary protein structure consists of amino acid sequences. Amino acids are arranged by peptide…

Q: Draw the structure (using chair confirmation of pyranose) of the following disaccharides. (a)…

A: Disaccharides are carbohydrates that, when hydrolyzed with acids or enzymes, provide two…