Mark the CORRECT alternative regarding the amino acid tyrosine: a) It can present anionic forms with two different charge magnitudes at pH values ​​above the isoelectric point b) it is considered as a basic amino acid c) pH 7 migrates towards the cathode d) the side chain is not part of the acid-base equilibria that take place in aqueous solution e) exhibits minimal solubility in water at a pH value greater than 7

Q: NH2 -NH он NH2 HO. OH OH O NH2 NH но OH но HN HO. HN NH2 NH OH ÔH HN. он NH HN NH2

A: Oligopeptides are those peptides which consists of 2 to 20 amino acids.

Q: draw the primary structure of the polypeptide at physiological pH range of 7.35-7.45 put the name of…

A: Polypeptides or peptides are composed of twenty standard amino acids attached together via peptide…

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: Examine the structures of the following molecules. In each compound circle and identify by name each…

A: The answer is given in the image.

Q: The pH vs charge graph for a triprotic amino acid is shown below. Please answer the following…

A: An amino acid with the ability to donate 3 protons (3 H+) is called a triprotic amino acid. The 3…

Q: Classify each of the following chemical processes as anabolic or catabolic Blank #1: Synthesis of a…

A: The process in which small molecules will convert into large and complex molecules is called the…

Q: Write the structure formula, three-letter and one-letter abbreviation for each essential amino acid…

A: Amino acids contain amino group and carboxyl group along with R side chain. The R side chain defines…

Q: A HEPTAPEPTIDE that punctures the bacterial cell wall has just been recently isolated from the venom…

A: Acid hydrolysis of any protein/polypeptide is used to identify amino acids contained in the…

Q: Describe the structure and functions of Mucopolysaccharides ?

A: Introduction: Polysaccharides are the most common form of carbohydrates contained in foods. They are…

Q: Define gamma-crystallin.

A: Crystallin is a water soluble  structural heat shock proteins. They are mainly found in the lens and…

Q: Peptide Concentration (M) 2.5 x 104 5.0 x 104 10.0 x 104 15.0 x 104 Velocity (M/min) 2.2 x 106 5.8 x…

A: Km is the substrate concentration at half vmax.vmax is the maximum rate of reaction catalysed by…

Q: Write the structure of a tetrapeptide-alanylaspartylvalyltyrosine identify the amino acids in this…

A: A polypeptide is formed when a carboxyl end of one amino acid is linked by the amino-terminal end of…

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

A:

Q: draw the primary structure of the polypeptide at physiological pH range of 7.35-7.45 and put each…

A: The primary structure of the polypeptide (DFACKT) with charge at physiological pH range of…

Q: What kind of Biomolecule is Sodium Aluminium Phosphate?

A: Sodium aluminium phosphate describes the inorganic compounds consisting of sodium salts of aluminium…

Q: Cocaine, C17H21O4N, is soluble in water to the extent of 0.17g/100mL solution, and a saturated…

A: Cocaine is also called coke and is used as a drug for fun. It stimulates a feeling of happiness and…

Q: Compound A is a dipeptide, optically inactive. While compound B is a tripeptide, and optically…

A: Peptides are polymers of amino-acid residues formed via peptide bond (which is a condensation…

Q: Match lipid descriptions in column A with the phospholipid types in column B. H is attached to the…

A: Phospholipids have a glycerol backbone and are the major constituents of the cell membrane.

Q: Protein Isoelectric pH Molecular weight (kDa) Ovalbumin 4.6 45 Insulin 5.4 5.7 Fibrinogen 5.8 340…

A: Two dimensional gel electrophoresis is a technique in which  electrophoresis in the first dimension…

Q: Identify the following glycerophospholipid, which helps ­conduct nerve impulses in the body, as a…

A: Membranes are hydrophobic and semi-permeable in nature. The membrane is made up of primarily…

Q: Match lipid descriptions in column A with the phospholipid type in column B H is attached to the…

A: 1. H is attached to the phosphate group bound to C3 of glycerol backbone --> D.…

Q: Using the amino acid phenylalanine, draw and specify the nature of each following tertiary structure…

A: Proteins are unbranched polymers constructed from 22 standard α-amino acids. They have four levels…

Q: Match the following Class of Proteins with their corresponding Prosthetic Group Components. nucleic…

A: Prosthetic groups are organic and can be inorganic in nature but are not protein. These are tightly…

Q: What structural features does a sphingolipid have in common with proteins? Are there functional…

A: Lipids can be defined as organic substance that are moderately insoluble in water but soluble in…

Q: For the chemical reaction that results in the formation of a peptide bond between two amino acids, Δ…

A: Delta G value of the reaction is given. Delta G = +4lcal/mol , which shows that the value for the…

Q: Using octahedral symmetry, match each ligand SALC with its most likely interaction with a meta…

A:

Q: Draw the titrimetric profile of tyrosine and calculate its isoelectric pH

A: Tyrosine is a amino acid containing a aromatic hydroxyl side chain. Titration of tyrosine with a…

Q: A mixture of Alanine (pl 6.02), Glutamic Acid (pl 3.22), Glycine (pl 5.79), Lysine (pl 9.74) and…

A: Ion exchange chromatography is used to separate molecules based on their net surface charge.

Q: Draw the peptide PVLED and determine the following: Isoelectric point, pI The net charge at pH =…

A: The given peptide is composed of proline, valine, leucine, glutamic acid, and aspartic acid. The…

Q: The greatest buffering capacity at physiological pH would be provided by a protein rich in which of…

A: Buffer capacity is a unitless number specified as the moles of acid or base used to change the pH of…

Q: The skeletal structures of the two amino acids, glycine and lysine, are given below along with the…

A: Amino acids are organic compounds that contain amine (-NH2) and carboxyl (-COOH) functional groups,…

Q: draw the primary structure of the polypeptide at physiological pH range of 7.35-7.45 put the name of…

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

Q: draw the primary structure of the polypeptide at physiological pH range of 7.35-7.45 put the name of…

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

Q: Determine the net charge of the following peptide at pH 10 given the respective pKa's. DDDMCRVNAY…

A: The peptide is the sequence of amino acids that are joined by the formation of peptide bond between…

Q: draw the primary structure of the polypeptide at physiological pH range of 7.35-7.45 and put each…

A: The polypeptide of a protein is composed of different amino acids that are joined together through…

Q: Ph Level given: Acetic Acid = pH value of 3 Monocholoroacetic Acid = pH value of 2 Acetamide = pH…

A: pH value of a compound denotes whether the compound is acidic or basic. Lower the pH value more…

Q: Given the following choices, a. what is the structure of the product of the reaction catalysed by…

A: Asked :  The structure has to be matched with the description given.

Q: Match lipid descriptions in column A with the phospholipid types in column B.…

A: Phospholipids are the important class of lipids with 2 Fatty acids attached to glycerol backbone and…

Q: A HEPTAPEPTIDE that punctures the bacterial cell wall has just been recently isolated from the venom…

A: Proteins are composed of amino acids, which are bound together by peptide linkage. Amino acids…

Q: In a 0.1000 M acetic acid solution at 25 degrees celsius , the acid ionizes to the extent of about…

A: Acetic acid is an organic solution with a chemical formula CH₃COOH that has no color. It is a…

Q: Is phenylalanine hydrophilic or hydrophobic? Explain why.

A: Hydrophilic : It is a molecule or other molecular entity that is attracted to water molecules and…

Q: What is the molecular basis for the observation that the overall charge on a protein becomes…

A: Hydrogen ions, are required in various chemical and biological processes. The available level of…

Q: Which of the following statements about sphingolipids is TRUE?

A: Introduction: Lipids are of great importance to the body as the chief concentrated storage form of…

Q: Give the name and structure of at least two examples of each of the following:      Heterocyclic…

A: Amino acids are the principal building blocks of the peptides and proteins in the living system.…

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: Mixtures of amino acids can be analyzed by first separating the mixture into its components through…

A: At a pH of 7 , the sidechain of some of the amino acids will be positively charged, some will be…

Q: Identify the following fatty acids present in fats and oils by their common names.            Which…

A: Fatty acids are composed of a long hydrocarbon chain attached to a carboxylic group. Long…

Q: Mixtures of amino acids can be analyzed by first separating the mixture into its components through…

A: Amino acids that take part in protein synthesis are of twenty different types. These twenty amino…

Q: Which of the following four general statements is TRUE regarding this tetrapeptide?

A: Given a tetrapeptide having residue 1 as acidic, residue 2 proline, residue 3 cysteine and residue 4…