Explain the basic principle of the reaction between the amino acid histidine and the ninhydrin reagent

Q: What is the basis for grouping substances as lipids

A: Basis for grouping substances as lipids is as follows:

Q: When RNA is hydrolysed, there is no relationship among the quantities ofdifferent bases obtained.…

A: The full form of RNA is ribonucleic acid while the full form of DNA is deoxyribonucleic acid. Four…

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 structure of alanine. Draw the structure of Phenylalanine. Now draw them as a dipeptide

A:

Q: Amino acids may be acidic, alkaline or neutral. How does this happen? What are essential and…

A: Amino acids consist of nitrogen, oxygen, hydrogen and carbon as well as variable side chain group.…

Q: How amino acid sequence determines protein shape, which determines function.

A: Amino acid is the constituent of protein. Protein is the polymer of monomer amino acid.

Q: Explain why amino acids, unlike most other organic compounds, are insoluble in organic solvents like…

A: Amino acid has both amine and carboxyl groups; at neutral pH, amino acid exist in Zwitterion form…

Q: What is a peptide bond? explain in detail.

A: A peptide bond is formed by a dehydration synthesis or reaction at a molecular level. In the…

Q: What is the particular sequence of amino acids of a protein that are joined together by peptide…

A: Protein consists of four structure as follows : Primary structure = It defines the amino acid…

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: 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: Aspartame is the methyl ester of a dipeptide made of phenylalanine and aspartic acid. what are the…

A: We have to write the products of hydrolysis of aspartame

Q: Draw the structure of simple amino acids and identify the functional groups of this molecule.

A: The most fundamental compound of a protein is an amino acid. Amino acids are monomeric units of…

Q: What reaction is caused by heat in an Amino Acid? How does this affect the Amino Acid? What is the…

A:

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 peptide bond joining amino acids into proteins has what organic functional group? A) amide B)…

A: The joining  of amino  acids  in proteins

Q: Draw the structure for an epsilon-amino carboxylic acid

A: Amino acids are organic structures that combine to form protein. Amino acids contain amine and…

Q: Which amino acids contains the following: Sulfur/sulfhydryl group Aromatic group…

A: Ss

Q: What is the name of this amino acid

A:

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: XeF2O, ClO4-, HNO2, CH3CH(NH2)COOH (amino acid alanine). Identify the molecules with the following…

A: The solution is given below -

Q: Pick the statement that best predicts the amino acid’s physical properties. Large dipole moments…

A:

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: Which of the following statements about the formation of polypeptides from amino acids is true?…

A: Polypeptides are long , unbranched polymer which has peptide  bond in it, peptide bond is formed…

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

A: Given information,       Pentapeptide formula: Tyr-Cys-Gly-Phe-Cys

Q: Draw the structure of a naturally occurring amino acid that is a neutral amino acid with a phenol in…

A: We have to predict the structure of amino acid.

Q: Give Summary of the acid–base reactions of alanine ?

A: The structure of Alanine is,

Q: How many different octapeptides can be made from the 20 naturally occurring amino acids? b. How many…

A: a. Octapedtide is a petide compound which contains eight amino acids linked in a polypeptide 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: What is the name of this Amino Acid?

A: The structure of an amino acid is given. We have identify it's name

Q: Amino acids are solids with relatively high decomposition points at normal temperature. Please…

A: Amino acids are solids with relatively high decomposition points at normal temperature.  High…

Q: Why are the sequences of the bases in a DNA molecule important for protein synthesis?

A: The reason Why are the sequences of the bases in a DNA molecule important for protein synthesis has…

Q: Describe the basic structure of an amino acid. How are amino acids linked together to form proteins?

A: Amino acid molecules contain an amine group (-NH2), a carboxyl group (-COOH) and a side chain (-R…

Q: What set of words best describes the side chain of the amino acid Histidine? *A) Non-polar,…

A: Here the question is about side chain of amino acid histidine. Given some characteristics of amino…

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: Illustrate the  structure of a tetrapeptide ?

A: Amino acids consists a central carbon atom which is attached to a protonated amine group, (-NH3+)…

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: Write the structure of the tripeptide Ser-Gly-Ala

A: This structure will form by removal of water by the three molecule Serine, Glycine and Alanine.

Q: Draw a possible electrostatic interaction between twoamino acids in a polypeptide chain.

A: Several amino acids are linked to each other through the peptide bonds to form a chain of amino…

Q: a basic amino acid Choose... + an acidic amino acid Choose... + an achiral amino acid Choose... + a…

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: Draw and name the type of bond that forms between amino and carboxyl groups in peptides.

A: NOTE : There is a minor typo error in the question. It will be carbonyl group and not carboxyl…

Q: On the basis of polarity, what are the four types of side chains found in the standard amino acids?

A: main functional groups in anlmino.acids are -COOH &-NH2 Amino.acids combine to form proteins