Tripeptide structure of glutamyl-seryl-alanine.

Q: Draw the structure of the pentapeptide including all the side chains.

A: Amino acids can be defined as the compound containing carboxylic acids along with amino group at the…

Q: Draw the tetrapeptide Ala-Thr-Asp-Asn and indicate the peptide bonds.

A:

Q: Write and name all possible dipeptides from valine and phenylalanine

A: Solution- Amino acids can be defined as the organic compounds containing amino group (−NH2) and…

Q: Draw a disulfide bridge between two cysteines in a polypeptide chain.

A: Oxidation involves the addition of oxygen or removal of hydrogen. In other words, it involves the…

Q: What type of peptide bond form in the amino acid Proline + Tyrosine + Histidine + Cysteine ?

A: Proteins are the building blocks of living cells in living organism. They are polymers of amino…

Q: Which labeled bond in the following molecule is known as the peptide bond?

A: The amino acids can be defined as the organic compound containing both amino and carboxylic groups…

Q: Why is alanine not a conservative substitution for glycine? Is arginine a conservative substitution…

A: The conservative substitution is the replacement of amino acids by the other amino acid which…

Q: Draw the reaction by which valine and asparagine form a peptide bond.

A: Amino acids are the building blocks of proteins. In proteins thousands of amino acids are present.…

Q: Draw the structure of peptide with the following amino acids Gly-Leu-Ala-Gly-Pro-Hyp.

A: A peptide is a short chain of amino acids and the amino acids are connected to one another in a…

Q: Draw the structure of hexapeptide NH3+-MIGHTY-COO-

A: In a peptide, amino acids units are joined together by peptide bonds.

Q: How do I identify which amino acid is more soluble in water in alanine vs. leucine structures?

A: As it is known that amino acids have polar functional groups, mostly they are polar in nature. if a…

Q: Draw the tripeptide Ile-Ala-Gly

A: A tripeptide is a peptide which has three amino acid linked via peptide bonds. Name of a tripeptide…

Q: Direction: Write the chemical structure of the peptide fragment formed by condensation reaction…

A: condensation reaction

Q: What dipeptides would be formed by heating a mixture of valine and N-protected leucine?

A: Given: Heating a mixture of valine and N-protected leucine.

Q: Draw an equation for the hydrolysis of a peptide bond of the polypeptide shown below

A: In hydrolysis of polypeptide , break only amide bonds into -COOH and -NH2 .

Q: What type of bond is broken when peptides undergo hydrolysis?

A: Proteins are polymers of alpha-amino acids and these amino acids are linked with each other through…

Q: What is the molecular structure of (S)-alanine and (R)-alanine?

A: To solve this problem we have to draw the R and S - molecular structure of alanine .

Q: Draw the structure of the dipeptide seryltyrosine (Ser¬Tyr).

A: An amino acid is a substance which have a carboxylic group(-COOH), an amine group(-NH2), an alpha…

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: The monomers of a polysaccharide arecalled amino acids.

A: A polypeptide chain is formed when two or more amino acids are linked together and this polypeptide…

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: What is a homopolysaccharide?

A: The definition of homopolysaccharide has to be given,

Q: Identify amino acids X and Y, given that the interaction is the strongest between two amino acids.

A: These 2 amino acids are- Glutamic acid (Glutamate, Glu-) and Aspartic acid (Aspartate, Asp-)

Q: Construct the following triglycerides and give its IUPAC nomenclature: Triolein…

A:

Q: What level of structure of a protein is defined by the actual sequence of amino acids present? A)…

A: The actual sequence of the amino acids present in

Q: Which amino acid can form disulfide bonds?

A: Amino acids are the compounds that are build-up by the amino and carboxylic acid functional group.…

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

A:

Q: For the following tripeptides, draw the formula   Lysine-phenylalanine-threonine

A: Tripeptide is formed from the peptide bonds between the three amino acid. The amino group of one…

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: 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: Proteins are found to have two different types of secondary structures viz. α-helix and β-pleated…

A: Alpha (α)-Helix is a key secondary structure of natural proteins that consists of a peptide chain…

Q: Draw the structure formed between alpha-L-erythose with amino acid asparagine and label the type of…

A: Alpha L erythose react with asparagine amino acid form imine ( Schiff base)

Q: Why is aspartate very soluble in water, whereas phenylalanine is much less soluble?

A: Aspartate - It has a polar (hydrophilic) side chain, which forms hydrogen bonds with water. While…

Q: what is the structural formula and repeating unit for PhenylalanineHistidine?

A: Structural formula

Q: Illustrate the Glycoside Formation ?

A: Glycoside is the molecule in which sugar is bonded to the functional group via a glycosidic bond. We…

Q: An opioid pentapeptide has the following structure: Tyr-Cys-Gly-Phe-Cys Write its structure…

A: When the thiols are oxidized under mild conditions they form disulfide compound with S-S bond.

Q: Draw the structure for the dipeptide Ala-Gly.

A: Dipeptide bond: The two amino acids linked via peptide bond. Peptide bond is formed by the reaction…

Q: What type of interactions can be formed between two amino acid residues in a protein?

A: Proteins are polymers of alpha amino acids. They are formed by condensation reaction between amino…

Q: Hydrogen bonds between the backbone amide groups in protein secondary structures have simply…

A: Proteins are the long chain polymers of amino acids. Each amino acids in protein chain is linked…

Q: Draw the reaction by which serine and tyrosine form a peptide bond.

A: Serine and Tyrosine both are amino acids that make a new amide bond that is called as peptide bond.

Q: Draw the structure of the tripeptide alanyl-glutamyl-glycine (AEG).

A: Amino acids contain carboxylic acid and an amine functional group on the same carbon atom. Amino…

Q: Write the structure of the pentapeptide GLDSC

A:

Q: Draw the structural formula for the tripeptide Cys-Ala-Gly.

A: Peptide is formed by combination of amino acids. When amino acids are combined, there is release of…

Q: How long is a fully extended peptide chain that contains the same number of amino acids?

A: An alpha helix is a common shape of an amino acid which is formed by amino acids chain linked…

Q: Refer to the structure of (S)-(-)-Serine below

A: Serine is amino acid  dextro and levo properties are optical properties

Q: DRAW the line structure of this peptide bond: Val-His-Leu-Thr-Pro-Glu-Glu-Lys-Ser-Ala-Val-Thr

A: Peptide bonds are formed  by Removal of water when two or more amino acids joined  together  .

Q: A plat-form molecule of a lipid which is composed of 3 Hydroxyl groups. A. Spingosine B. Fatty…

A: INTRODUCTION: Lipids The macrobiomolecules which are soluble in non-polar solvents are called as…