Distinguish between intermolecular and intramolecular hydrogen bonding between the backbone groups on polypeptide chains. In what type of secondary structure do you find intermolecular hydrogen bonds? In what type do you find intramolecular hydrogen bonding?

Q: For which of the following problems would ICP-MS be appropriate? Explain why. a. For the…

A: ICP MS is an analytical technique used for the analysis of trace elements .

Q: The secondary structure of proteins is : A. the linear arrangement of amino acids in the molecule…

A: The secondary structure of protein is: The protein does not remain in simple chain of polypeptides.…

Q: Define the Tertiary and Quaternary Structure ?

A: Biomolecules are the chemicals that are important for living things and their growth. It plays an…

Q: Which of the following statements are true concerning the structure of proteins? 1. The same…

A: When amino acids are linked together as peptide linkage and number of linked amino acids are in high…

Q: 17- Give the name of one specific protein that is an example of a contractile protein 18- Give the…

A: 17-contractile protein are the protein which participate in contractile processes      Common…

Q: The primary structure of a protein refers to: A) the sequence of its amino acids. B) the orientation…

A: Primary structure of protein is the linear sequence of amino acid with in a protein. Secondary…

Q: structure of β-alanine

A:

Q: How many atoms of each element are in a molecule of the amino acid lysine

A: Structure of lysine   Chemical formula of lysine C6H14N2O2

Q: Which statement is FALSE about the classification of amino acids? Lysine and arginine are positively…

A: Given: Some statements regarding amino acids are given To find: False statement Solution: Amino…

Q: Use the three-letter shorthand notations to name all the isomeric tripeptides that can be made from…

A: A tripeptide is the -peptide obtained from 3 amino acids associated with 2 or sometimes 3 peptide…

Q: At the lowest energy level a-helix of polypeptide chain is stabilised By hydrogen bonds formed…

A:

Q: The protein primary structure is held together by a. Hydrogen bonds b. Disulfide bonds c. Peptide…

A: The sequence of amino acids in the polypeptide chain is called the primary structure of a protein.…

Q: Estimate the isoelectric point of a Ser–His dipeptide. Explain why this value is only an estimate.

A: The ionizable group of serine at neutral pH is an amino group and its ionization constant is pK2 =…

Q: Identify and encircle the peptide bonds in these polypeptides.

A: Amino acid are species which have both carboxylic acid group and basic group amine group

Q: 10. Consider the amino acids glycine, valine and lysine. a. How many tripeptides can be formed from…

A:

Q: The pH at which the concentration of the zwitterionic form (dipolar form) of an amino acid is at its…

A: As we know amino acid structure allows them to behave both as acid or base  and because of this they…

Q: What specific tests will determine the presence of amino group in amino acids and proteins?

A:

Q: Proteins occurring in the b-pleated sheet structure Multiple Choice never occur in nature. produce…

A: Answer: β-pleated sheets structures are secondary protein structures where almost 3-10 come together…

Q: When is saponification used in food science (hence in fat processing)?

A: Saponification : Saponification (alkaline hydrolysis) is an important aspect of carotenoid analysis…

Q: Draw a tripeptide of lysine. Label the products and reactants.

A: In this question, we will draw the tripeptide of lysine amino acid and then we need to label the…

Q: An opioid pentapeptide has the following structure: Tyr-Cys-Gly-Phe-Cys a. Draw the structure of the…

A: a. Peptide bonds are amide bonds, in which carbonyl group of one amino acid bonded to amino group of…

Q: Draw the structure of the dipeptide: Ala – Val

A:

Q: The interior of a protein is generally more ____________________   than ___________________.…

A: A protein is a complex polymer made of number of amino acids, which acts as a monomer units. The…

Q: Indicate whether each statement is true or false: (a) In thealpha helical structure of proteins,…

A: Biomolecules are the organic molecules which take part in different biochemical reactions.…

Q: Define the position of lipid bilayer ?

A: The lipid bilayer (or phospholipid bilayer) is a thin polar membrane made of two layers of lipid…

Q: How many different primary structures are possible for a four-amino-acid segment of a protein if the…

A: GIVEN:   How many different primary structures are possible for a four-amino-acid segment of a…

Q: Which would have the greatest percentage of polar amino acids, a spherical protein, a cigar-shaped…

A: Given information, Spherical protein Cigar-shaped protein Subunit of hexamer

Q: Proteins fold into complex three-dimensional shapes. The function is dependent upon the structure of…

A: Transmembrane domains consist of nonpolar amino acid residues and may traverse the bilayer once or…

Q: What is the primary structure of a polypeptide

A: Primary Structure: The primary structure of polypeptides is the sequence of amino acids in the…

Q: What type of bonding helps in stabilishing the a-helix structure of proteins?

A: Secondary structure of protein represents the arrangement of amino acids in a polypeptide chain.…

Q: Do the –R groups bound to the central carbons participate in the union between amino acids?

A: Amino acids are the molecules in organic group which contains two functional group that is amine…

Q: Explain what the peptide bond and the glycoside bond consist of. Indicate the type of biomolecules…

A: Peptide bond: Amide bond between -COOH of one amino acid and -NH2 of other is called peptide bond…

Q: What molecular forces are responsible for protein 2° structure? A Name 4 types of molecular forces…

A: Proteins can be arranged into 4 different types of structures based on the sequence of the amino…

Q: Explain which fiber properties would change if the cellobiose unit had –CH3 groups instead of –OH…

A: Cellobiose is a disaccharide with formula (C6H7(OH)4O)2O. It is classified as a reducing sugar. In…

Q: interaction contributes most in protein foldings

A:

Q: Show how to convert the side-chain carboxyl group to a benzyl ester using benzyl chloride as a…

A: The conversion of side chain carboxyl group to benzyl ester by benzyl chloride is given as,

Q: Define the one-gene:one-polypeptide chain hypothesis ?

A: Genes are the sequences of the DNA or RNA and polypeptide are the formation of many amino acids…

Q: Does insulin have polar or nonpolar amino acid residues?

A: The answer to the following question is -

Q: The chemical method of identifying the sequence of amino acids in a polypeptide wherein one amino…

A: We have to identify the sequence of amino acids in a polypeptide where in one amino acid at a time…

Q: What happens to the energy content of a polypeptide strand when it folds to its three dimensional…

A: An unfolded protein has high configurational entropy but also high enthalpy because it has few…

Q: In relation to the spatial structure of the proteins select the INCORRECT alternative: (a) The…

A: A multiple choice question based on biological importance of chemical elements that is to be…

Q: 10) The a helix of the secondary structure of a protein is held together by hydrogen bonds between…

A: True Alpha helix is the right hand coil strand which consists of amino acids side chains. Hydrogen…

Q: Write the structure of the pentapeptide GLDSC

A:

Q: The sequence of amino acids in a peptide chain is known as its _________ structure

A: Proteins :-  The polymers of amino acids are known as proteins.  They are called poly peptides…

Q: 1. Consider only 2 amino acids H NH2 - C ·}- COOH - WH₂ - C - COOH 1 R' R Write the structural…

A: Peptide bond :-  The amide linkage (-NH-CO-) formed when -NH2 group of one amino acid molecule…

Q: Proteins occurring in the b-pleated sheet structure Multiple Choice contain no peptide bonds. are…

A: The correct answer is Option (B) The b-pleated structures are relatively inelastic.

Q: Differentiate between fibrous proteins and globular proteins. What is meant by the denaturation of a…

A: Proteins are massive biomolecules (also known as macromolecules) that are mainly composed with one…

Q: draw the condensed structural formula of the tripeptide S-V-D

A: A peptide bond is made between two amino acid molecules. The bond is formed between the C-terminal…

Q: The number of dipeptides that can be synthesized from 4 amino acids is

A: Dipeptides means amide linkage between two amino acids .

Vitamins and Coenzymes

A class of organic compounds needed in the human body for normal activities is known as vitamins. They are characterized into two parts depending upon their solubility in water. They can act as coenzymes, cofactors, or prosthetic groups for enzymes.