conjugate base of the weak acid, CH3COOH in an acid b ace action?

Q: Under certain conditions, peptide bond formation rather than peptide bond hydrolysis is…

A: Peptide bond formation- A peptide bond is a chemical bond formed between two molecules when the…

Q: amino acid in the form of a "phenylthiohydantoin" (PTH-amino acid), are shown below. What is the…

A: Phenyl isothiocynate is the Edman reagent. It reacts with N-terminal amino acid to give phenyl…

Q: Write a balanced equation showing peptide bond formation between threonine and aspartate.

A: Peptide bond is the bond which was formed between two amino acids where the carboly terminal of one…

Q: Identify the amino acid residue, nucleophilic catalytic residue and which of the catalytic residue…

A: Chymotrypsin is a type of protease enzyme. It acts as a digestive enzyme, primarily synthesized in…

Q: Determine the net charge (to the nearest integer) on the following peptide at pH5 AND pH 12.…

A:

Q: Propose a method to determine the size and basic structure of chymotrypsin for the purpose of…

A: Any matter on the planet consists of atoms linked by interatomic bonds. The properties of the matter…

Q: How does ninhydrin chemically react with histidine in a ninhydrin test? How does pH affect this…

A: Ninhydrin test is a chemical test to analyse, if a given analyte has amines or α amino acids. The…

Q: Draw the structure of phosphatidylcholine at pH 7 with the moiety on R₁ as 14:0 (C14) and R2 as…

A: Major elements of biological membranes are phospholipids, which include phosphatidylcholine and its…

Q: An inhibitor that specifically labels chymotrypsin at histidine 57 is Ntosylamido-l-phenylethyl…

A: Proteases are enzymes that can degrade other proteins. Serine proteases are a type of proteases that…

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: what is the equilibrium constant for the reaction A + CT AT+ C? Show calculations. 2) the image

A: The equilibrium constant, K, expresses the interaction between the products and reactants of a…

Q: Draw the tripeptide gly-glu-phe with all ionizable groups in their predominant state at pH 7.0.

A: A peptide is a short chain of amino acid residues linked together by a peptide bond. The peptide…

Q: Draw structural formulas for the products obtained when the tripeptide Thr-Leu-Ile undergoes…

A: An amino acid is a chemical molecule that serves as a building block of proteins. There are 20…

Q: Draw the structure of the pentapeptide aspartic acid-serine-lysineUglutamic acidUtyrosine. Assume…

A: Protein is a polymer of amino acids connected together via peptide bond. Protein is the functional…

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: Draw the structure of the dipeptide Thr-Cys at pH7

A: Amino acids are the building blocks of proteins that are the largest nitrogen-containing compounds…

Q: (EPR) which of Lactobacillus casei fermentation of milk was found to have potent blood pressure…

A: first calculate the hydroxide concentration as a square root of KB for ammonia, which we can look up…

Q: Draw the α-l-glucopyranose sugars using Haworth projections:

A: α-l-glucopyranose is also known as α-l-glucose, which has the alpha configuration at the anomeric…

Q: Hydrolysis of dodecapeptide P with the enzyme trypsin affords the following fragments: Arg,…

A: Trypsin and chymotrypsin are the proteolytic enzymes that can cleave peptide bonds of proteins with…

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: Dihydrouracil and β-ureidopropionate (N-carbamoyl–β-alanine) are intermediates in the conversion of…

A: The non-essential amino acid is referred to as beta-alanine. This amino acid produced in the body…

Q: The amln0 acid histldine ls usually found in actlve sltes 0f enzymes. What structural feature does…

A: Enzymes are protein molecules that increase the rate of reaction by decreasing the activation energy…

Q: you have isolated the following peptide: His-Ser-Arg- Ala-Glu- Leu- Pro- Gly Calculate the…

A: Peptide are small polymer of 2-10 amino acids linked by peptide/amide bonds by condensation and…

Q: Define the alternative chemical structure of deoxyribonucleic acid which could be copienfaithfully.

A: The Sanger chain termination sequencing method was invented by Sanger to identify the sequence of…

Q: ɡive me example about the arranɡements of heptapeptide such as Arɡ, Phe, Val and etc.

A: Proteins are  made up of unique sequence of amino acids. This unique sequence determines the primary…

Q: With respect to the parent compound, explain in detail how modifying the rings shown as A, B, C, D…

A: The biological activity of morphine can be significantly altered by changing its A, B, C, D, or E…

Q: I have an aqueous solution of tyrosinase but I require the solid form of tyrosinase.   How would you…

A: Tyrosinase is an enzyme which is present in plant and animal tissues. Tyrosinase catalyzes the…

Q: During your experimental investigation of the conversion of glutamine to proline, you have labeled…

A: The amino acids have a chiral carbon or alpha carbon which has four different groups attached to…

Q: Draw the linear fisher projections of D-ribarnic acid, L-xyluronic acid, D-arabinuronic acid,…

A: Carbohydrates are polyhydroxy aldehydes or ketones. They can be classified as monosaccharides,…

Q: Draw the enediolate intermediate of the ribulose-5-phosphate isomerasereaction (Ru5P → R5P).

A: An enediol is an alkene enol with a hydroxyl group attached to both carbon atoms of the carbon…

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: Which of the following is an anomer of a-D-galactopyranose?

A: Anomers are cyclic stereoisomer , for example the C-1 of sugar molecule become chiral carbon and has…

Q: What is the predominant ionic form of ribose-5-phosphate at physiological pH? Would…

A: Ribose-5-phosphate is required by a cell for various functions like the synthesis of nucleotides and…

Q: Calculate the net charge of the the tripeptide Asp-Asp-Asp at pH 1.00?

A: At low pH, the molecule is fully protonated, as the pH increases more than pKa of an ionizable…

Q: Draw the structure of the PTH derivative you would obtain by Edman degredation of the peptide: ALPF.

A: Polypeptide chains are composed of amino-acids linked to each other via peptide bonds, are cleaved…

Q: What is the catalytic triad of chymotrypsin? Describe the mechanism of chymotrypsin in cleaving a…

A: Chymotrypsin is a digestive enzyme component of pancreatic juice acting in the duodenum, where it…

Q: Of all the high-energy phosphate carriers we've studied in class, PEP has the greatest free energy…

A: In chemical thermodynamics, an exergonic reaction is a chemical reaction in which the change in the…

Q: With the aid of the simple generic diagram, identify and explain how the type of chemical bonding…

A: An alpha helix is a periodic secondary structure in proteins. This secondary structure is stabilized…

Q: Xanthine oxidase treated with allopurinol results in the formation of a new compound that is an…

A: Xanthine oxidase belongs to the class of oxidoreductase. This enzyme produces reactive oxygen atoms…