Draw out the predominant form of the polypeptide: WERLC at a pH of 9.

Q: Draw the most protonated structure for the tripeptide ILY.

A: Tripeptide is a peptide chain containing three amino acids. A tripeptide will have two peptide…

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: Identify if the following is a pyrimidine/purine nucleotide or a pyrimidine/purine nucleoside and…

A: The nucleic acids are known as polynucleotides. Monomeric units of nucleic acids are called…

Q: Identify the source of the atoms in the pyrimidine ring

A: Introduction: Nucleotides are the backbone of DNA and RNA. Purines and pyrimidines are the nitrogen…

Q: The structure given is

A: Acid is any species, simply an ion or molecule, that can accept electron pair to form a coordinate…

Q: Which of the following is an anomer of a-D-galactopyranose? CHOH OH H. он он CH,OH OH он H он H H он…

A: Galactose is aldohexose. It is a C-4 epimer of glucose. The cyclic six-membered ring is called…

Q: Determine the origin of the pyrimidine ring's atoms.

A: Pyrimidine derivatives, most notably the three nitrogenous bases that, along with the two purines,…

Q: Below is the titration of histidine. Calculate the average charge of histidine at pH 6.50. ÇOON…

A: Hi! Thank you for the question, as per the honor code, we are allowed to answer the first…

Q: What reagents promote cross-linking between acrylamide and bisacrylamide to form polyacrylamide gel?

A: Polyacrylamide gels are used for the separation of biomolecules. The polyacrylamide gels are…

Q: Calculate the charge and draw the structure of the predominant ion for: (i) Lysine at pH 7.0…

A: The amino acids are the monomer unit of the peptide chain, which exhibits different charges at…

Q: List down the isomers of the tripeptide Ala-Cys-Lys.

A: Amino acids are the building blocks of the proteins. There are 20 amino acids which are commonly…

Q: Which is more polar?  Isopentyl acetate or methyl butanoate? pls explain

A: Esters are mostly polar molecules.

Q: Identify the base and monosaccharide used to form the following nucleosides, and then assign names.

A: A nucleoside consists of nucleobase and a five carbon sugar while a nucleotide consists of…

Q: Draw a tripeptide ala,asp,lys at ph 1, 7 and 12

A: A peptide is formed by different amino acids linked by peptide bond. At low pH the molecule will be…

Q: Match the specificity pocket (identified by red number) to the residue that occupies it. 1 3 4 2 1.…

A: Proteases preferentially hydrolyze polypeptide substrate peptide bonds based on the amino acids…

Q: Draw the structure of the same tripeptide at pH 7.00.

A: The pKa values of amino acid side chains, the pKa of the alpha amino group at the N-terminus and the…

Q: What is the melting temperature and G/C content of the following primers? a.) 5’…

A: A primer is a short single strand of DNA that serves as a starting point for DNA synthesis of a new…

Q: Define the terms and give and example of eachMono-Di-Poly-Monomer, dimer, trimer, polymer

A: Mono, di, and poly are prefixes used in biochemistry to describe the structure of chemical compounds…

Q: Can the iodine test distinguish between amylose and amylopectin?  What would you look for?

A: Carbohydrates are an essential source of energy. It is found in almost all foods and is largely used…

Q: Given the figure of tallose, draw its enantiomer and epimer

A: Enantiomers: Also known as optical isomers, are non-superimposable mirror reflections of each other…

Q: Draw all possible products of a single hydrolysis being completed on the following polypeptide:…

A: Hydrolysis of protein peptide is the breaking down the peptide bond by addition of water molecule.

Q: .Identify the source of the atoms in the purine ring.

A: Nucleic acids are the major class of biomolecules that are important for all forms of the organism.…

Q: What is the charge on histidine at neutral pH

A: Amino acids are compounds having carbon, hydrogen, oxygen, and nitrogen. They serve as monomers of…

Q: Write out the full structure of the tripeptide Val-Phe-Cys.

A: A peptide bond is a type of covalent bond. It connects the amino group of one amino acid with the…

Q: Classify the following nitrogenous bases into purines or pyrimidines.

A: Purines : Adenine and Guanine are purines . Pyrimidines : Thymine , Cytosine and Uracil are…

Q: Explain about synthetic chemical 5-bromouracil (5-BU) ?

A: Mutagens are the chemical or physical agents that cause mutations.

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: Classify the following polysaccharide

A: Chitin-   B. homopolysaccharide Cellulose-  B. Homopolysaccharide Peptidoglycan-  A.…

Q: At pH 1, the charge on the C-terminal carboxyl group is

A: Peptide bond: When two amino acids are joined together releasing a water molecule and forming alpha…

Q: What is the approximate net charge of carnosine at pH 5.

A: Carnosine, also known as beta-alanyl-L-histidine, is a dipeptide . It is made up of the amino acids…

Q: Discuss the difference between an ⍺-D-glucose and a β-D-glucose

A: α- glucose and β- glucose both are the two cyclic hemiacetal forms of glucose which a carbohydrate…

Q: Draw one aromatic polar amino acid at pH 7. Label with full name, three letter abbreviation, and…

A: An aromatic amino acid (AAA) is an amino acid which contains an aromatic ring. Among the 20 standard…

Q: How to separate r and s isomers of tetrahydrofuroic acid by normal phase chromatography?

A: Normal phase HPLC uses many different stationary phases, including silica, alumina, diol, cyano, and…

Q: Draw the structure of the KID tripeptide and calculate its isoelectric point.

A: K is the single letter code of lysine amino acid, I is for isoleucine and D is for aspartic acid.…

Q: What is the name of the nucleoside (the base and sugar complex) shown? NH HO-CH; H OH. H OH O…

A: Nucleoside These are the structural subunit of nucleic acid such as DNA and RNA. Nucleoside is…

Q: Discuss three polysaccharide structural features that promote gel formation

A: Introduction: Polysaccharides are polymeric carbohydrate structures that are formed of repeating…

Q: of the following is cytidine?

A: Cytidine(C) is a Nucleoside molecule form when cytosine attached to revise ring via β-N1 -…

Q: 1.2. Using DEAE-cellulose as ion exchange resin, indicate the starting and ending pH for the…

A: Negatively charged complex or protein can be separated by chromatography on positively charged…

Q: What is meant by the term polypeptide backbone?

A: A series of amino acids joined by peptide bonds form a polypeptide chain and each amino acid unit in…

Q: Draw the structure and give the systematic name of the given disaccharides. [No need to show the…

A: Sucrose and Lactose are both disaccharides formed out of 2 monosaccharide units. Sucrose=…

Q: Identify if the following is a pyrimidine/purine nucleotide or a pyrimidine/purine nucleoside and…

A: Answers Image A - The given image is a Purine Nucleoside. It has deoxy ribose sugar molecule in it.…

Q: Draw the dipeptide Asp–His at pH 7.0.

A: A dipeptide is an organic compound derived from two amino acids.

Q: You need to nake 100mL of a 0.2 molar sucrose (C12H22O11) solution. How much sugar do you need to…

A: Molarity in simple terms can be defined as the amount of any substance present in a certain volume…

Q: Please explain the following terms:   Chirality Enantiomer Stereoisomer Diastereomer

A: The given terms are given by the molecules which have more than one chiral carbon present in them.…

Q: What is a concatemer?

A: Deoxyribonucleic acid (DNA) is the genetic material of most organisms. DNA contains the instructions…

Q: Following are structural formulas for cytosine and thymine. Draw two additional tautomeric forms for…

A: The isomers which differ in the position and electrons and the carbon skeleton is same are said to…

Q: Draw the structure of the following 1.Alanylaspartylglutamyltryrosin 2. Tetrapeptide

A: Proteins are made of α-amino acids. The α-amino acids contain a central carbon atom called the…

Q: Draw the Fischer projection for a monosaccharide.

A: Carbohydrates are polyhydroxy aldehydes or polyhydroxy ketones. Monosaccharides consists of single…