Identify monomeric and multimeric (di-,tri-meric, for example) saccharides from this group. If you come across multimeric polypeptides, state the mono- mers that form these multimers. State the nature of the bond that links two units together in each case. (a) Maltose (b) Trehalose (c) Lactose (d) Sucrose (e) Cellobiose (f) Agarose

Q: How does the near attack conformation (NAC) contribute to enzyme function?

A: An enzyme is a biological catalyst, which catalyses many of the metabolic actions in a human body.

Q: If H218O is used in the hydrolysis reaction catalyzed by lysozyme, which ring will contain the…

A: Lysozyme here is a glycoside hydrolase. This can damage the bacterial  cell walls by catalyzing the…

Q: The disaccharide lactulose consists of a d-galactopyranose subunit and a d-fructofuranose subunit…

A:

Q: How do u account for the observed solubility of C10H8 and urea in H2O based on the nature of the…

A:

Q: Which of the following is not one of the features of EDTA? A. It is an aminocarboxylic acid with 6…

A: EDTA is a hexadentate ligand which contains six donor sites. It contains four -COOH groups and two N…

Q: Treatment of a new protein with dansyl chloride reveals two (2) dansyl-labelled derivatives of amino…

A:

Q: Q3: Distinguish by the mention of one detector between the compounds with giving the cause and the…

A:

Q: Write the Structure Activity Relationship (SAR) of Nifedipine? Please answer at your own words

A: Nifedipine Used as Calcium channel blocker that used to manage angina ,high blood pressure.

Q: In carbonic anhydrase II, Zn* acts as a Lewis acid coordinated in the enzyme active site to…

A: This statement is False. carbonic anhydrase is an enzyme used to increase  the rate  of equilibrium…

Q: Define tautomerism and use one of the structures above to illustrate your explanation

A:

Q: Answer the following questions on the basis of the free energies of formation at 25°C shown in the…

A: (a) The mentioned peptide bond formation reaction can be represented as:…

Q: Covalent enzyme catalysis involves the formation of a transient covalent bönd between an enzyme and…

A: Amino acids are the biomolecules that have amino as well as carboxylic acid group bonded to alpha…

Q: Explain why the pI of lysine is the average of the pKa values of its two protonated amino groups.

A: First the lysine structure is noted as follows,

Q: Which of the following clarifications is false? Select one: to. fibroin contains AA with sparse side…

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Q: Compound A is a D-aldopentose that can be oxidized to an optically inactive aldaric acid B. On…

A: The class of D-aldopentoses includes five-carbon, aldehyde functional group-containing…

Q: Bradykinin is a linear nonapeptide released by blood plasma globulin in response to a wasp sting.…

A: The peptide contains 9 amino acids.

Q: The carbonyl group in d-galactose may be isomerized from C1 to C2 by brief treatmentwith dilute base…

A: The isomerization of carbonyl group in D-galactose from C1 to C2 represented as shown below.

Q: Esterase is an enzyme that catalyzes the hydrolysis of esters. It hydrolyzes esters of L-amino acids…

A: Amino acid esters refer to those derivatives of amino acids in which the carboxylic acid group is…

Q: At one time, a raw material for the production of hexamethylenediamine was the pen- tose-based…

A: Given,

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Q: The disaccharide lactulose consists of a D-galactopyranose subunit and a D-fructofuranose subunit…

A: Disaccharide are compounds that contain two monosaccharide units joined by means of glycosidic bond…

Q: Alanine has pKa values of 2.34 and 9.69. Therefore, alanine exists predominately as a zwitterion in…

A: More the pH value; less the value of pKa, for alanine at pKa, alpha-COOH = 2.34, the deprotonation…

Q: Below is the structure of a protoporphyrin ring system. Add the following to the figure; Fe ion…

A: given protoporphyrin ring system

Q: Why is it impossible to have only one enantiomer of thalidomide under biological conditions?

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Q: Chorismate mutase is an enzyme that promotes a pericyclic reaction by forcing the substrate to…

A: Chorismate mutase is an enzyme that promotes a pericyclic reaction by forcing the substrate to…

Q: Specify the absolute (R/S) configuration of the amino group in structure IV. (i) If the…

A:

Q: In the structures of T—A and C—G base pairs, there are three amino groups specifically labeled as…

A: The mixing of valence atomic orbitals results in the formation of hybridized orbitals that are…

Q: For the following hexapeptide shown below, answer the following questions. E-N-D-Y-K-L Draw the…

A: Hexapeptide given is: E-N-D-Y-K-L

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Q: Is DL-Homocysteine soluble in ether?

A: According to the like dissolves like principle, polar solute exhibit high solubility in polar…

Q: Suggest how you would separate the free l-amino acid from its acylated d enantiomer

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Q: 2. Explain using two sentences the biological significance of the following peptides. A. Glucagon B.…

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Q: Chorismate mutase is an enzyme that promotes a pericyclic reaction by forcing the substrate to…

A: Chorismate mutase is an enzyme that promotes a pericyclic reaction by forcing the substrate to…

Q: There are 20 commonly occurring amino acids from which all proteins are derived, although many other…

A: The structures are

Q: Sketch the Fischer projection of each Stereoisomer(R and S) of the monosaccharide glyceraldehyde, ,…

A:

Q: Which of the common amino acids is not chiral? Sketch its structure and explain why it does not…

A: Glycine is the amino acid which not chiral i.e, Achiral. The structure of Glycine  H2N - CH2C ( = O…

Q: The amino acid (S)-alanine has the physical characteristics listed under the structure. a. What is…

A:

Q: Although the bond energy for the hydrogen bond in a vacuum is estimated to be about 20 kJ/mol, we…

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Q: please explain What percentage of a side-chain sulfhydryl group of cysteine is protonated at pH…

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Q: the compound B C23H46,a sex attractant of the common housefly,gave two products Ch3(cH2)12COOH and…

A: The formula is C23H46 of the compound.

Q: Two sugars, A and B, are known to be glucose and galactose, but it is not certain which oneis which.…

A: Sugars glucose and galactose are epimers.

Q: Phenol forms a B-glycoside with D-galactopyranose. In the box below draw the structure of this…

A: Let us discuss the reaction and the structure of the final product.

Q: The isoelectric point (pl) of phenylalanine is pH 5.5. Draw the structure of the major form of…

A:

Q: A biochemist completely digests a glycerophospholipid with a mixture of phospholipases A and D. HPLC…

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Q: Write the Structure Activity Relationship (SAR) of Diltiazem? Please answer at your own words.

A: Answer - Structure Activity Relationship (SAR) - Structure-Activity Relationship (SAR) is an…

Q: Give results and explanation for what is chemically happening in the following reactions. A.…

A: Given reactions: A. Dehydration of Sucrose with Acid. B. Dehydration of Cellulose with acid. C.…