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Q: Sketch out a structure of tyrosyl-glycyl-lysine at a pH of 13

A: Amino acids are the monomeric unit of polypeptides that give proteins. There are 20 amino acids that…

Q: You have prepared a BSA serial dilution (ug ml) to construct a protein standard curve, for which the…

A: The standard equation for calculating concentration is Beer Lambert's law, A= ebc, where A is…

Q: Calculate the net charge of the following peptide sequence DAVIRSAXSUEY at pH 7 а. -1 b. -2 с. -3 d.…

A: This peptide contain D, H and E as charged amino acids. all the ionizable groups present in the…

Q: You would like to identify the protein subunits in a macromolecular complex. What kinds of…

A: Proteins are the building blocks of amino acids. The kind, amount, and sequence of amino acids that…

Q: Write down the Gly-Asp-Ala tripeptide and find its isoelectric point

A: Amino acids are biomolecules that are made up of two functional groups, these are an amino group and…

Q: What are some examples of biochemical tests for proteins that involve acid hydrolysis or base…

A: Proteins: Proteins are complex high-molecular-weight molecules that consist of amino acids joined…

Q: Locate the peptide bond in the dipeptide shown in the balland-stick model, and identify the amino…

A: Amino acids are composed of an amino group, a carboxyl group, and an R group side chain which are…

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: (a) A solution containing these five proteins was adjusted to pH 7.0 and then applied to a…

A: Chromatography is a method of separation of specific compounds from the mixture of compounds. This…

Q: Consider histidine as a free amino acid in aqueous solution. a) Draw the most likely structure of…

A: Hi! Thanks for your question. As you have posted multiple questions and have not mentioned which…

Q: As an example, consider albumin, a protein made of a single polypeptide weighing 66,000 daltons (66…

A: Gel electrophoresis if the technique of separation of molecules on the basis of their size and…

Q: A postgraduate student was given the task of predicting the 1H NMR spectrum for compound A.

A:

Q: Based on the structure of lipids triacylglycerol, phospholipid, and cholesterol, why are they easily…

A: Introduction Triacylglycerols are triesters of fatty acids and glycerol. These are composed of three…

Q: Match the following protein descriptions with the method that is best for determining the structure.…

A: The protein 3-D structure can be determined using techniques like NMR, X-ray crystallography, and…

Q: Is sucrose a reducing or non-reducing sugar? Explain.   Is lactose a reducing non reducing sugar?…

A: REDUCING SUGAR: A sugar molecule which can undergo chemical reactions like oxidation by acting as a…

Q: A biochemist wants to separate two peptides by ion-exchange chromatography. At the pH of the mobile…

A: A biochemist wants to separate 2 peptides by the ion-exchange chromatography. One peptide has a…

Q: Draw the following sugars using Haworth projections:a. b-d-galactopyranose b. a-d-tagatopyranose c.…

A: A Haworth projection represents the cyclic shape of the carbohydrate. For sugars with a ring…

Q: Which of the following peptides are consistent with the data below? 1. Amino acid analysis gave Met,…

A:

Q: Using the data in the table below, calculate the average molar mass of an amino acid residue in each…

A: On the basis of composition, proteins are classified as simple or conjugated. Simple proteins, such…

Q: Draw an ionization scheme for each of the amino acids Phenylalanine, Methionine, Tyrosine,…

A: Amino acid phenylalanine, methionine, tyrosine, and asparagine are allowed to constitute…

Q: What is the importance of redox couple in metalloproteins, explain using. an example

A: Introduction: A redox couple contains both the oxidized and reduced form of a compound that is…

Q: Let’s consider histidine as a free amino acid in aqueous solution. a) Draw the most likely…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Identify and match the lettered regions in the titration curve of a basic amino acid. pic 5.jpg…

A: Histidine is an amino acid that has an imidazole ring as the functional group (R group). Thus, the…

Q: Derive an equation for determining the mass of a molecule from an electrospray ionization…

A: Electrospray Ionization Mass Spectroscopy (ESI MS) is a technique used to determine the mass of…

Q: Each ionizable group of an amino acid can exist in one of two states, charged or neutral. The…

A: Amino acids are the monomeric units for the formation of proteins and histidine is one of the…

Q: You want to treat 10 mL of HL-60 cells with cycloheximide in order to determine the half-life of a…

A: According to Normality Equation,

Q: An oligopeptide ALVGALGATPTPQMWSHSWRGVSIKS was digested with trypsin.Which method would be most…

A: CHROMATOGRAPHY It is a technique of separation of molecules on the basis of solubility into two…

Q: The oligopeptide isolated from the brain of an animal has the sequence…

A: Proteins are polypeptide chains formed of monomeric units, amino acids, joined together by a peptide…

Q: Sketch a titration curve for the following amino acids and indicate the pKa values for all…

A: pKa value: It is a negative log of Ka value, which is acid ionization constant, acid dissociation…

Q: What is the TOTAL NET CHARGE of a free arginine amino acid at pH = 12.5?

A: Arginine is a basic amino acid in which three ionizable groups present. Arginine amino acid consists…

Q: Why different amino acids have different Rf values? If you separate a mixture of amino acids consist…

A: Paper chromatography is the separation technique where the mixture of the amino acids was separated…

Q: In a mixed heteropolymer experiment, messages were createdwith either 4/5C:1/5A or 4/5A:1/5C. These…

A: Mixed heteropolymer experiment is a test of homology using subunits derived from different species…

Q: Sketch a titration curve for the amino acid cysteine, and indicate the pKavalues for all titratable…

A: Cystine is a proteogenic amino acid that has a thiol side chain. The thiol group of cysteine is…

Q: Describe the chemistry involved in the processes of Lipid Interesterification and Lipid…

A: Lipid interesterification is a process where the structure of a lipid is changed by altering the…

Q: Refer to the structure of an oligopeptide below: Taking note of the component residues, would such a…

A: Amino acids are organic molecules. They are monomers of proteins. The alpha-amino acids take part in…

Q: Each ionizable group of an amino acid can exist in one of two states, charged or neutral. The…

A: 1. The structure of lysine is:

Q: What is the fraction of the peptide that has the N-terminal amino group deprotonated at pH 9.…

A: The above peptide sequence is made up of five amino acids. First is Lysine, second valine, third…

Q: Compare the structures of bio-based PEF and fossil-based PET. How do the structure of the ring in…

A: Polyethylene furanoate (PEF) or poly(ethylene 2,5-furandicarboxylate), is an aromatic polyester…

Q: Draw the titration curves for the following AA’s: Aspartic acid, Alanine, Lysine, Valine, Serine,…

A: Hi! Thank you for the question. As you have posted a question with multiple subparts, I will be…

Q: Consider a hexapeptide of the sequence thr asn glu trp lys gln. A researcher decided that this…

A: The translation is the process of the formation of polypeptide chains of amino acids that lead to…

Q: For the following pentapeptides: Ser-Glu-Gly-His-Ala and Gly-His-Ala-Glu-Ser A. Compute their…

A: Peptides are small chains of amino acids (2-200 residues). pI is the pH at which peptide or…

Q: Suppose that there is a protein consisting of two polypeptide chains with the given sequences in the…

A: Proteins are the polymers of amino acids, joined together by peptide bonds. The amino acid with the…

Q: calculate the volume of stock solutions required to make up the buffer solutions that will be used…

A: Introduction: A buffer solution is a solution that changes pH slightly with the addition of a strong…

Q: Consider a hexapeptide of the sequence thr asn glu trp lys gln. A researcher decided that this…

A: The hexapeptide contains 6 amino acids - thr, asn, glu, trp, lys, gln.

Q: At isoelectric point, what is the net charge of amino acids?

A: In case of proteins , isoelectric point mostly depends on 7 charged amino acids. These are :-

Q: Why pl (isoelectric point) of amino acid with acidic or basic side chains is the average of the two…

A: Asked : pI average of pka reason

Q: WHAT ARE THE ADVANTAGES AND DISADVANTAGES OF CARBOHYDRATES IN BIOCHEMISTRY? GIVE AT LEAST 3 FOR EACH…

A: Carbohydrates are the one of the biomolecules that provide energy to the human body. They are mainly…

Q: Which of the following techniques takes advantage of NET CHARGE to purify/characterize proteins? a.…

A: The monomeric units of the polypeptide chains are amino acids. They form peptide linkages to form…

Q: Hello, I am trying to understand how to calculate the overall charge of a peptide at pH = 7. Please…

A: Peptides are composed of twenty standard amino acids attached together via peptide bonds. These…

Q: A two-dimensional gel electrophoresis of a protein preparation revealed the presence of five…

A: Size exclusion chromatography is another name for gel filtration chromatography. Gel filtration…

Metabolic pathways

Metabolism is defined as the group of life-supporting, enzyme-mediated chemical reactions in organisms. A metabolic pathway is a set of these chemical reactions that involve anabolism (synthesis of complex biomolecules) and catabolism (breakdown of biomolecules into small molecules) that occur inside a cell. Metabolites are the reacting substances, products, and intermediate substances of an enzymatic process that are altered by a series of chemical events catalyzed by enzymes.