This amino acid is: (Note that the non-ionized form is shown; remember that backbone groups are irrelevant to classification) a) Polarized (+) charged b) Nonpolar c) Polar and (-) charged d) Polar uncharged

Q: Why is the ionic bond between, say, the side chain of lysine and the side chain of glutamic acid…

A: Amino acids are the molecules that join to form a protein structure. The bond formed between two…

Q: what are the key factors determining protein structure?

A: Proteins are the building blocks of a body. Proteins are synthesized by the process of translation…

Q: When a protein is denatured, how is its primary, secondary, tertiary, and quaternary structure…

A: Proteins are larger macromolecules which are the polymers of amino acids. they are a total of 20…

Q: Is it possible to form cyclic peptides without bonds between side chains of the component amino…

A: A typical amino acid contains an amino group (-NHs), a hydrogen bond, a side chain (R group), and a…

Q: How many charged functional groups will be found on serine at physiological pH?

A: The chemistry of amino acids is complicated because there is a -NH2 group, which is a base and a…

Q: What is the approximate molecular weight of a protein with 682 amino acid residues in a single…

A: Amino acids are the building blocks for proteins/polypeptides. Amino acids are classified on the…

Q: What is peptide bond ?

A: A chemical bond is an enduring attraction between atoms, ions or molecules that empowers the…

Q: What is hydrophobic?

A: Hydrophobic  word literally means the " fear of water " The molecules and surfaces which are…

Q: Why is the formation of a peptide bond called a condensation reaction? Explain briefly

A:

Q: Generally speaking, what two considerations determine whether a specific dihedral angle will be…

A: Answer: A dihedral angle of a protein phi (ϕ) and psi (ψ) angles is the internal angle of the…

Q: If you have a pool of  amino acids, how many different octapeptides are possible comprising only of…

A: Peptides are polymeric chains made of repeating monomers of amino acids. Amino acids are…

Q: Draw the structure of Phe-Ser-Met-Glu, and indicate where the peptide bonds are.

A: Protein is an organic nitrogenous macromolecule that is required for human health. In the human…

Q: What amino acid is technically not an amino acid and which amino acid contains no chiral carbon…

A: Protein is an organic nitrogenous macromolecule that is essential for human health. In the human…

Q: What conditions are required for disulfide bonds to form between cysteine residues in a protein?

A: Cysteine is polar amino acid, the side chain have a thiol (-SH) functional group.

Q: what are the four interactions that keep the protein structure intact?

A: Biological macromolecules are those large molecules that are necessary for the survival and growth…

Q: A small generic section of the primary structure of an a helix is given by -amino acid, -amino…

A: Alpha-helix is an example of a secondary structure. Alpha-helix is formed by the hydrogen bonding…

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: What initiates a dehydration process between two amino acids, provided that their carboxyl groups…

A: The catalyst for dehydration occurs when two amino acids align precisely with one's carboxyl group…

Q: Which of the following peptides will likely form an irregular structure? A-D-I-E-L-Y-F-H-I-C-V-D-E…

A: The key to perfect structure of peptides is amino acids  Irregular peptide structure don't form…

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: does all 20 amino acids soluble in organic solvents like acetone and chloroform? true or false

A: The monomeric unit of a polypeptide is amino acids. These are joined by a peptide bond to form these…

Q: What chemical is used for reduction of disulfur bridges in protein?

A: Disulfide bonds play a secondary role in maintaining protein structures against denaturation, they…

Q: Would the peptide group be planar if the amino group of amino acids was bonded to the β carbon of…

A: Peptide group is generally linked to the amide bond that links the α-amino nitrogen of one amino…

Q: Why is it important to specify the 3-D structure of amino acids?

A: Background Information regarding amino acids Proteins are the polymers of nitrogenous compounds…

Q: Why is it important to specify the three-dimensional structure of amino acids?

A: Amino acids are the biomolecules that act as a polymer for the synthesis of protein and these are…

Q: What does a peptide bond join?

A: A peptide is a Greek word which means "digested". A peptide is an amino acid chain that is short in…

Q: Name and draw the structure of two charged amino acids

A: Amino acids are compounds containing carbon, hydrogen, oxygen and nitrogen. They are monomers…

Q: Would the presence of a chiral center in an amino acid side chain affect the formation of a peptide…

A: The carboxylic group and amino group of amino acids are not directly bonded to any of the atoms of…

Q: What is the chemical basis of the great diversity of proteins?

A: Proteins are the long chain amino acids, which are linked together by peptide bonds. Amino acids…

Q: What is the primary structure of a protein? What is the importance of the primary structure?

A: Proteins are large molecules. They are accountable for the various gene expressions. It comprises…

Q: What are the charges of the following amino acids peptides at ph 14? 1. GLAVV 2. RRKKQ

A: Peptide chain is a short chain of amino acids joined by peptide/amide bonds (covalent bond). The…

Q: Because oleic acid contains a hydrophilic and a hydrophobic end, why is this so important?

A: Fatty acids are a lengthy hydrocarbon chain that contains both hydrophilic and hydrophobic groups.

Q: In what type of intra and intermolecular interactions does a valine within a protein backbone…

A: Hemoglobin A is composed of two α and two β-globin chains along with the heme molecule which…

Q: What is the contribution of dilsulfide bonds in proteins?Which groups or side chain participate in…

A: The structure of the protein is crucial for its function. Primary, secondary, tertiary, and…

Q: For the amino acids listed below, what tertiary/quaternary interaction can each of the amino acids…

A: Tertiary structure is the three dimensional conformation of a protein. Proteins with more than one…

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 structures of the 20 standard amino acids and give their one- and three letter…

A: Amino acids are the building blocks that form polypeptides and ultimately proteins. Consequently,…

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: Give the names of the 20 Common Amino Acids and draw the structure of each.

A: Any organic molecule that consists of a basic amino group, an acidic carboxyl group, and a distinct…

Q: What intermolecular forces hold protein subunits in a quaternary structure?

A: The protein's quaternary structure is the association of several protein chains or substituents into…

Q: With the exception of glycine, all of the standard amino acids have one chiral center. Are there any…

A: The chiral center is considered as the carbon atom which is bonded with the four different atoms or…

Q: Which R group would most likely be found in a hydrophobic area of the tertiary structure of a…

A: The protein attains a specific conformation for performing mature protein functions in the body.

Q: Show the chemical structure of all 20 amino acids ?

A: Amino acids are organic molecules composed of carbon, nitrogen, hydrogen, and oxygen. Amino acids…

Q: which amino acid can form a covalent bond with its side chain? b. which amino acid can contribute to…

A: Proteins are polypeptide structures that comprise of amino acids. Proteins are synthesized from the…

Q: Are all the amino-acids soluble in water? Explain why?

A: Biomolecules are organic molecules present in living organisms. There are mainly four major…

Q: Most protein dissolve in neutral salt solution, is that true? Provide reasoning

A: When the salts are added to increase the solubility of protein and dissolve protein is known as…

Q: Identify the components of an amino acid in the following diagram. (a) ______________ (b)…

A: Amino acids are compound containing carbon, hydrogen, oxygen and nitrogen. Amino acids are the…

Q: What is the type of reaction involved in peptide bond formation?

A: Macromolecules are types of biomolecules that are needed in large amounts for the growth and…

Q: In the tertiary structure of a protein, which pair of amino acid side chains would be most likely to…

A: Introduction: Protein are the most bountiful natural particles of the living framework. They can be…

Q: How does the primary structure of a protein corresponds to the linear order of amino acids in a…

A: Proteins are composed of amino acids. Natural proteins which get synthesized inside the cells are…