Is the statement "elongation is the process of introducing double bond in fatty acid", correct?
Q: How can the phosphorylation of a protein result in conformational changes?
A: Phosphorylation generally alters the structural as well as functionality of protein. It alters the…
Q: Over time, the glutamine residues of polypeptides are susceptible to deamidation, a reaction in…
A: Glutamine is converted to glutamic acid by a process called deamination. Such reactions are of…
Q: If an oligosaccharide is attached to a protein via an O-glycosidic linkage which amino acid…
A: The glycoproteins are formed by the joining of oligosaccharide with protein. The glycoproteins are…
Q: Is the OH substituent of the A ring of cholesterol an a-substituent or a b-substituent?
A: In cyclic compounds β- substituents indicated by a solid wedge. So the OH substituent of the A ring…
Q: Draw the structure of lactose and name its constituent monosaccharides. What enzyme is responsible…
A:
Q: Are the amino acid residues at the active site need to be in close proximity to one another…
A: Enzymes are the catalysts that catalyze biochemical reactions. These are proteinaceous in nature as…
Q: Why is B-D-Glucopyranose in a chair conformation form is the most stable form of glucose present in…
A: B-D-Glucopyranose is a form of D-glucose which is a hexose monosaccharide unit that consists of six…
Q: Draw the structure of the α-keto acid formed by the transamination of each amino acid: (a) tyrosine;…
A: (a) Tyrosine : It is an amino acid that is naturally produced in the body from another amino acid…
Q: Why do the pK values of ionizable groups differ between free amino acids and amino acid residues in…
A: The acid dissociation constant (Ka) is the quantitative measure of the strength of an acid or amino…
Q: Is it expected that a change in the primary, in the secondary or in the tertiary structure of a…
A: The primary level of protein structure determines the sequence of amino acids in the polypeptide…
Q: In sickle cell anemia, an inherited form of anemia in which the hemoglobin distorts the red blood…
A: The mutation that alters the codon that codes for a specific amino acid is called missense mutation.…
Q: What is the distinguishing characteristics of a polar basic amino acid?
A: 20 amino acids are present in nature that forms protein. Amino acids contain and amino group and a…
Q: In sickle cell anemia, a hereditary disease, there is substitution of one amino acid by another in…
A: Sickle cell disease is a blood condition that is most commonly found in the people of African…
Q: In N-linked glycoproteins, the sugar is usually attached to the protein by a bond to the N atom in a…
A: Amino acids are the monomers of the proteins.
Q: Which amino acids have side chains that are capable of forming isopeptidebonds?
A: The type of peptide bond that forms between the carboxyl group and the amino group of joining amino…
Q: Which amino alcohol is used in the synthesis of sphingomyelin?
A: Amino alcohol: It is a compound that contains both an Alcohol group (OH) and an Amine group. It is…
Q: Why "cellulose is composed of a long, branced chain of B-glucose subunits" is false?
A: Introduction Polysaccharides, also known as polycarbohydrates, are the most common type of…
Q: Why does increasing carbon chain length decrease water solubility for fatty acids?
A: Fatty acids are the long chain hydrocarbon with one carboxylic group. The hydrocarbon chain may be…
Q: . In glycoproteins, what are the three amino acids to whichthe carbohydrate groups are most…
A: Glycoproteins are proteins that contain oligosaccharides linked to the amino acid side chains.…
Q: what is the mechansim for esterification in fatty acids
A: The esterification of fatty acids happens when fatty acids react with alcohol to form fatty acid…
Q: What are some advantages for a glycoprotein in having a large number of N-glycosylation sites?
A: Glycoproteins are a type of conjugated proteins. They have carbohydrates(oligosaccharides)…
Q: All sugar residues are in their D-isomeric forms. What are the three different sugars?
A: Sugar is a general name given to soluble carbohydrates that are sweet in taste and most of which are…
Q: Despite being hydrophobic, why is methionine (Met) not located within a protein?
A: Methionine is an amino acid that is regarded to be one of the necessary amino acids. Although it is…
Q: How could you make the zwitterion of aspartic acid more soluble in water?
A: A zwitterion is considered as a chemical compound, which has both charges positive as well as…
Q: Is the statement: "There is energy requirement for every amino acid added in a growing polypeptide…
A: Amino acids are the building blocks of proteins. The synthesis of polypeptide chain occur during…
Q: Must the amino acid residues in the active site be near each other along the polypeptide chain?…
A: The polypeptide chain is considered as the long sequence of amino acids, which exhibits amino acid…
Q: Why are saturated fatty acids considered as bad fat while monounsaturated fatty acids are considered…
A: A saturated fatty acid is a type of fat in which fatty acids have predominantly single bond where as…
Q: Why are fatty acids generally composed of an even number of carbons?
A: Fatty acids are carboxylic acid with a long aliphatic chain that is either unsaturated or saturated.…
Q: What is the secondary structure of glutelin? Are there many or few alpha helices, beta sheets?
A: Secondary structure of proteins consists of various chain of amino acids which are then stabilised…
Q: All sugar residues are in their D-isomeric forms. Is this trisaccharide a reducing sugar? Why or…
A: Reducing sugars are those which have free aldehyde or ketone group. Reducing sugars reduces ferric…
Q: Four of the most abundant amino acids in proteins are leucine, alanine, glycine, and valine. What do…
A: Amino acids are the building blocks of proteins. these are the organic components when proteins are…
Q: Which amino acid derives its nitrogen from a purine ring?
A: Biomolecules are organic molecules made up of mainly carbon and hydrogen, but other elements are…
Q: Are the carbon–carbon double bonds in naturally occurring fatty acids primarily cis or trans?
A: Naturally occurring fatty acid means the fatty acids present in plants and animals.
Q: Explain the role of lactose in structure ?
A: Lactose is the primary sugar (or carbohydrate) found naturally in milk and dairy. Lactose is made up…
Q: In glycoproteins, what are the 3 amino acids to which the carbohydrate groups are most frequently…
A: The amine and carboxylic acid functional groups are represented as -NH2 and -COOH respectively. When…
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: Illustrate and explain the difference between α-D-glucopyranose and β-D-glucopyranose structures.
A: Glucose is the most abundant monosaccharide which was composed of the molecular formula C6H12O6 . it…
Q: How does the presence of a-bonds versus B-bonds influence the digestibility of glucose polymers by…
A: The polymer form of glucose is found in polysaccharides which are the most abundant carbohydrates.…
Q: What type of protein structure does the active form of Catechol-oxidase most likely possess?
A: Catechol oxidase is a copper oxidase and contains a type 3 di-copper cofactor. It catalyzes 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: What is characteristically distinct about the amino acid composition of Collagen? Why is it so…
A: Collagen is a structural protein, which is present in skin, muscle, bone, and tendons.
Q: Tryptophan is not classified as a basic amino acid even though it has aheterocycle containing a…
A: Introduction: Tryptophan is categorized as an essential amino acid that cannot be produced by the…
Q: Which functional group(s) shown above is (are) present in all amino acids?
A: Amino acids are type of organic compounds . These amino acids joins together to form proteins . In…
Q: Explain why cholesterol is not saponifiable.
A: Cholesterol : It is a waxy, fat-like substance that's found in all the cells in your body. your body…
Q: Which is the stable conformation of ribose sugar, Fischer or furanose ring? Why?
A: Fischer projection is a two-dimensional structure of a saccharide which was in the form of an…
Q: Why Provide the structure of any such fatty acid. omega-3 fatty acids called essential fatty acids?…
A:
Is the statement "elongation is the process of introducing double bond in fatty acid", correct?
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