Which of the following combination in each pair is likely to produce more Maillard browning when heated at 95 °C for 4 hours? Explain the chemical basis for your choice. Sucrose + glycine, pH 7.0 vs. glucose + glycine, pH 7.0 Maltose with a dextrose equivalency (DE) of 20 + glycine, pH 9.0 vs. maltose + glycine, pH 9.0 Lactose + glycine, pH 8.0 vs. lactose + glycine, pH 4.0

Q: Illustrate a glycosidic, peptide and a phospho-diester bond.

A: Glycosidic bond   - This bond is formed between C1 carbon atom of a monosaccharide unit and C4…

Q: You have been given a mixture of lysine of isoelectric point of 9.74, Histidine of isoelectric point…

A: The given Isoelectric point is the pH of an amino acid at which it has no net electric charge.…

Q: Sephadex G-75 has an exclusion limit of 80,000 molecular weight for globular proteins. If you tried…

A: The separation of alcohol dehydrogenase from β-amylase using Sephadex G-75 as the column material…

Q: The disaccharide lactulose consists of a d-galactopyranose subunit and a d-fructofuranose subunit…

A:

Q: 6. Draw an arrow pushing mechanism for the formation of the chemically labeled cells prepared via…

A: this is a staudinger reaction. Here ring pph2 attack the -N3 and form the ph3p=0 and -NH2, Then this…

Q: composition

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Q: A tripeptide on hydrolysis produced glycine, alanine and leucine. The structures of these amino…

A: Amino acids are the molecules that contains amino and carboxylic group along with a side chain…

Q: Answer the following questions on the basis of the free energies of formation at 25°C shown in the…

A: (a) The mentioned peptide bond formation reaction can be represented as:…

Q: Another strategy used to resolve amino acids involves converting the carboxy group to an ester and…

A: Two enantiomers of alanine amino acid are present i.e. S & R form of it.

Q: A tripeptide contains lysine (R= -(CH₂)4NH2), phenylalanine (R= -CH₂C6H5) and glycine (R= -H). It…

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Q: Which of the following clarifications is false? Select one: to. fibroin contains AA with sparse side…

A: Fibroin is a type of protein present in silk. Structurally, it has large widely spread amino acids…

Q: A nonapeptide released by globulins in the blood in response to a wasp sting. Hydrolysis gives the…

A: Given: We have to prepare nanopeptide.

Q: Does the planar Haworth representation give areasonably good three-dimensional picture of…

A: Please find below some of the 3-D Haworth structures of furanoses

Q: Mutarotation occurs when the two anomers interconvert in solution. Outline a stepwise mechanism for…

A: The alpha and bita glucose are interconvertable. The mechanism has been drawn below

Q: Using the generated linear equation: y = 0.7802457x - 0.0127078, calculate the concentration of free…

A: Given: y = 0.7802457x + 0.0127078 for linear curve of absorbance  (Please note that the intercept is…

Q: 3. If D-serine has a specific activity of +6.83, what will be the specific activity if it is…

A: The specific activity of enantiomers are equal in magnitude but they have opposite signs because…

Q: Another strategy used to resolve amino acids involves converting the carboxy group to an ester and…

A: In alanine one stereogenic center is present. The carboxylic group of both enantiomers of alanine…

Q: In this reaction, catalase functions as an: a. indicator in the detection of hydrogen peroxideb.…

A: In this reaction, catalase functions as an

Q: Draw the form of aspartate that predominates at the following pH values: pH = 11.0

A: Aspartic acid is an amino acid having the formula,  COOH-CH2-CH(NH2)-COOH Amino acids shows charge…

Q: (a) Figure 23-2 shows that the degradation of d-glucose gives d-arabinose, an aldopentose.Arabinose…

A: The two dimensional representation of arabinose using Fischer projection is represented as shown…

Q: . A clinical test sometimes used to diagnose folate deficiency or B12 deficiency is a histidine…

A: The answer for first question is given below. Kindly repost the other question as separate question.

Q: Which of the following combination in each pair is likely to produce more Maillard browning when…

A: Maillard reaction is basically a nucleophilic attack of the amino group of an amino acid onto any…

Q: αcarboxyl and α-amine are 2.2 and 9.1 perspectively. Calculate isoelectric point of tyrosine. i want…

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Q: 4. Match the following: P. Ribose and Deoxy ribose i. Keto sugar Q. When two monosaccharides combine…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Draw the zwitterion formula for the amino acid Ile. • You do not have to consider stereochemistry.…

A: The given amino acid is Isoleucin (Ile). The structure of Isoleucin is,

Q: What is the Ksp expression for Ag2CO3?

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Q: Is gentiobiose a reducing sugar? Does it mutarotate? Explain your reasoning

A: Gentiobiose is a naturally occurring carbohydrate. It is composed of two glucose units which are…

Q: For the following hexapeptide shown below, answer the following questions. E-N-D-Y-K-L Draw the…

A: Hexapeptide given is: E-N-D-Y-K-L

Q: The figure below shows the structure of the non-standard amino acid citrulline. Based on this…

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Q: why does these react to Br2 and are they ortho/para activating or deactivating or metadeactivating

A: Bromination of arenes is an example of aromatic electrophilic substitution reaction (ArSE2 ). In…

Q: Show the structures of the following and give their names: C-2 epimer of D-galactose

A: Hello. Since the question contains multiple parts only the first part is solved. In case the…

Q: 81. Indicate beloging to glycofrangulin. I. aglycone part is frangulin II. it is aglycone III.…

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Q: Is it possible to resolve a racemic mixture of 1-phenylethylamine with (-)-malic acid?

A: Find answer next steps

Q: Write out a scheme for the resolution of the two enantiomers of the antiplatelet drug clopidogrel…

A: The stereogenic center of clopidogrel and 10-camphorsulfonic acid are shown in figure 1.

Q: optimise, produce and market a commercial assay kit for the enzyme-linked determination of glucose…

A: Answer - According to the question - The method, which is highly specific, is based upon the release…

Q: Taking the structure of the amino acids into account, give a comparative discussion pK values where…

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Q: Which of the following is true for structure II? L-ketose D-ketose D-aldose L-aldose

A: The name of the structure depends on the the functional group present in the structure .  The prefix…

Q: Which has a higher percentage of negative charge at physiological pH (7.4), leucine with pI = 5.98…

A: When an amino acid is placed in a solution which has a pH that is lower than the pI then the amino…

Q: Draw the product that valine forms when it reacts with di-tert-butyl dicarbonate and triethylamine…

A: Here

Q: Topic: extraction of Flavonoid glycosides and assessment of antioxidant What is the indication of…

A: Iodine test for confirmation of presence of unsaturation.

Q: Write out a scheme for the resolution of the two enantiomers of theantiplatelet drug clopidogrel…

A: The stereogenic center of clopidogrel and 10-camphor sulfonic acid structure is given in picture 1.

Q: amylopectin by the methylation and hydrolysis procedure described yielded 12.4 mg of…

A: