Draw a diagram of the aspartic acid side chain in the protonated and unprotonated states. Calculate the ratio of the protonated and unprotonated forms of this side chain that would exist at pH 7 (assume pKa = 4).

Q: For the amino acid tryptophan: Draw its complete protonic equilibria. Indicate the net charge of…

A: The proteins are composed of twenty naturally occurring amino acids. The net charge on an amino acid…

Q: The diversity of functional groups on sugars that can form glycosidic bonds greatly increases the…

A: Trisaccharides are oligosaccharides composed of three monosaccharides with two glycosidic bonds…

Q: Draw the tripeptide val-glu-his as it exists under physiological pH. Write the reaction for the…

A: A peptide bond is an amide linkage formed between two molecules where an α-carboxyl group of one…

Q: The diversity of functional groups on sugars that can form glycosidic bonds greatly increases the…

A: Amino acids are the organic acids that contain alpha carboxyl group, alpha amino group, hydrogen…

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: On the diagram above, draw a line across each peptide bond in oligopeptide 3a. Write the…

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

Q: Use the pka values, calculate the isoelectric point (pl) of the following amino acids. a) Leucine b)…

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

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Q: Using condensed structures, supply an outline of the mechanism for the formation of Gly-Gly in the…

A: During peptide bond formation the carboxylic acids and primary or secondary - amines do not undergo…

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: Biotin (below), also known as Vitamin B7, is a very large organic compound derived primarily from…

A: Vitamin B7 or biotin's empirical formula is C10H16O3N2. It is widespread in foods and also produced…

Q: Circle and label one place on the mechanism where covalent catalysis is occurring. Suggest an amino…

A: Glycolysis is a catabolic breakdown of Glucose into pyruvate which consist of 10 metabolic steps. so…

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 a peptide that includes Phenylalanine, Cysteine, Tyrosine and Tryptophan. Label them by name…

A: Draw a peptide that includes Phenylalanine, Cysteine, Tyrosine and Tryptophan. Label them by name…

Q: -0OC- pКа 3.2 -Co- CH pKa 4.& CH2 O *H,N-c-C H |

A: Amino acids  are biomolecules that are composed of one alpha carbon bonded to 4 groups. These 4…

Q: The pK₂ of the x-carboxyl group of serine is 2.21, and the pKa of its a-amino group is 9.15.…

A: pKa is the pH at which a weak acid is 50% dissociated. % ionisation of a weak acid = % ionisation of…

Q: Discuss the behavior of enzymes as described by the Michaelis-Menten Equation

A: Enzymes are proteins with the capability to accelerate the rate of a biochemical reactions. Enzymes…

Q: Amino acid Cys has ionizable groups with pKa values 2.0, 8.0, and 10.0.  Determine the charge on the…

A: For cysteine Charge when pH is at 1.0? ____+ve_____        Charge when pH is at 9.0? ____-ve_____

Q: Saccharide X occurs in the roots of several species of plants. Deduce the structure of saccharide x…

A: Saccharide means sugar. Saccharide is of three types, they are monosaccharide, oligosaccharide and…

Q: Sulfur Containing Amino Acid Hydroxy Containing Amino Acid

A: The human body is made up of protein. The biological catalyst enzymes, hair, bone, and muscle are…

Q: Refer to the following table below to answer the succeeding questions: Amino acid pK, pK2 pK3…

A: The charge on the amino acid depends on the pKa value of the ionizing groups in the amino acid. The…

Q: A frequently recommended treatment for hiccups is to hold one’s breath. The resulting condition,…

A: When there is hypoventilation, there is an increase in the concentration of carbon dioxide in the…

Q: Lactic Acid (shown below) is built up in the body during intense workouts as a result of glycolysis.…

A: The carboxylic acid group (COOH) of lactic acid has a pKa of 3.85. The physiological pH of our body…

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 the L(leucine)-A(alanine)-E(glutamate) triple tide and calculate its isoelectric point.

A: Amino acid sequences are written with N-terminal amino acid on the left and C-terminal amino acid on…

Q: Ornithine is an amino acid that is not used in the synthesis of proteins, but is an important…

A: Ornithine is an example of amino acid that does not take part in the process of protein formation…

Q: Globular proteins with multiple disulfide bonds must be heated longer and at higher temperature to…

A: Bovine pancreatic trypsin inhibitor is a small protein with a very small hydrophobic core. This…

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: Make use of the table below in answering the questions asked: Amino acid pK₁ pK₂ PK3 Isoleucine 2.32…

A: The amino acids have ionizable groups in them. The ionic form of the amino acids/ proteins depends…

Q: 2. Peter does not tolerate lactose in milk. He bought a solution of ẞ-galactosidase where [Eo]=10.0…

A: To determine the initial rate of reaction  (Vo)                   Vo = Vmax [C]KM +[C]…

Q: You have discovered a new amino acid that you name in honor of your favorite course.…

A: The titration curve of an amino acid shows the change in pH as an acid or base is added to the…

Q: Describe the amino acid illustrated here (Identify the following amino acid (at pH = 7.0):…

A: Amino acids are the organic molecule composed of amino group (NH2), an acidic carboxylic group…

Q: Describe the amino acid illustrated above (at pH = 7.0). (the following amino acid at pH = 7…

A: Amino acids are the organic molecule composed of amino group (NH2), an acidic carboxylic group…

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: The E. coli enzyme triose phosphate isomerase has a pI of 5.7. What would the charge on this enzyme…

A: Isoelectric point refers to the value of pH (potential of hydrogen ions) of a molecule or enzyme at…

Q: Consider a protein in which a negatively charged glutamic acid side chain (pKa=4.2) makes a salt…

A: Salt bridges are attractive interactions between two oppositely charged groups. So, more oppositely…

Q: The diversity of functional groups on sugars that can form glycosidicbonds greatly increases the…

A: Peptides is the sequence of amino acids which are linked together by the formation of peptide bond…

Q: Indicate the net charge of cysteine at pH 9.5

A: There are four classes of biological macromolecules- proteins, nucleic acids, lipids and…

Q: The pKa of the side chain of histidine is 6.00. What is the percent of protonated histidine at pH…

A: All amino acids contain atleast two ionizable groups- the alpha-amino group and the alpha-carboxylic…

Q: Estimate the net charge at pH 7.0 of a cyclic tetrapeptide that consists of two Pro and two Tyr…

A: Amino acids are organic compounds that serve as the building blocks of proteins. They consist of an…

Q: Globular proteins with multiple disulfide bonds must be heated longer and at higher temperature to…

A: Proteins are unbranched polymers constructed from 20 standard α-amino acids. They have four levels…

Q: Consider the reaction for assembly of a tetrapeptide from four amino acids: Serine + Proline +…

A: Free energy diagram of a reaction has Free energy (G) in Y-axis and Reaction coordinate (timely…

Q: With regards to arganine illustrate the pH-dependent transitions on a titration graph from most to…

A: Amino acids are known to incorporate both acidic & basic functional parts in their structure.…