In carbonic anhydrase II, Zn* acts as a Lewis acid coordinated in the enzyme active site to histidines in a tetrahedral geometry for peptide bond cleavage. *

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: As we’ve discussed, a peptide bond is made when amino group of one amino acid combines with the…

A: Amino acids contain amine and carboxyl functional group, with a side chain group (R) which…

Q: 3. An organic molecule needed to make an enzyme function correctly is called a(n) subunit cofactor…

A: enzymes are the biological catalyst that takes part in the reaction inside a living organism

Q: a.) c.) H₂N H₂N OH -OH OH _OH b.) d.) H₂N H₂N ОН OH OH

A: The question is based on the concept of amino acids. We need to identify the amino acid which…

Q: The shown image is a reaction diagram for the hydrolysis of peptide bonds. Appropriately substituted…

A: The combination of an amine (-NH2) functional group of an amino acid with the carboxylic acid…

Q: Substrate Enzyme-substrate comp 1. Is this an example of a lock & key or induced fit model of an…

A: We proceed to answer the question as follows-

Q: Reaction of the a-carboxyl group of an amino acid or peptide with phenylisothiocyanate allows for…

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: As you increase the temperature of an enzyme-catalyzedreaction, the rate of the reaction initially…

A:

Q: An enzyme catalyzes the hydrolysis of an ester with a certain activity, but this activity is lost in…

A: Any enzyme can be categorised a certain protein which loses its activity at a certain temperature,…

Q: Outline the four general stages in an enzyme-catalyzedreaction.

A: Catalysts are those compounds which alters the rate of the reaction, may or may not interact during…

Q: Which of the following is the primary driving force in the folding of a protein? a) The increase in…

A: Proteins are molecules that are essential to life. They play a role in almost every…

Q: A globular protein in aqueous surroundings contains the following amino acid residues:…

A: step: 1 of 2 Globular proteins are spherical that usually forms stable sub pensions in water. The…

Q: Draw the structure of the pentapeptide alanine-leucine- phenylalanine-glycineUisoleucine. Assume…

A: Given: The structure of pentapeptide alanine-leucine-phenylalanine-glycine-isoleucine has to be…

Q: Enzymes that are rather aggressive, and turned "off" by a protein segment until they are activated.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The reactant in an enzyme-catalyzed reaction is called a cofactor. True or False True False

A: Catalysts take part in chemical reactions and speed them up. They are neither consumed nor included…

Q: Would alpha-D-glucopyranose and alpha-D-fructopyranose be equally likely to be the substrate for a…

A: Due to the different shape, that is different number of ring in alpha-D-glucopyranose and…

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 is substrate channeling? How does it affect enzyme efficiency?

A: The process where the intermediate generated by one enzyme is transferred to the next enzyme without…

Q: The use of salt bridges or hydrophobic interactions (or pockets) to stabilize interactions between…

A: Proteins are chain of polypeptide, and tertiary structure of protein is three-dimensional structure…

Q: Activation of a zymogen is by covalent modification. How might phosphorylation or dephosphorylation…

A: There are two modes of enzyme regulation by covalent modification-removal of covalent bonded portion…

Q: which of the following pertains to the tetrapeptide A-G-S-E?

A:

Q: Which of these molecules is not a natural amino acid

A: The molecule which is not a natural amino acid has to be identified.

Q: Another method to form a peptide bond involves a two-step process Reaction of the p-nitrophenyl…

A: Steps of synthesis is shown below:

Q: What is an antioxidant enzyme? Why is catalase considered to be an antioxidant enzyme?

A: Antioxidant enzyme -  The proteins involved in the catalytic transformation of reactive oxygen…

Q: How can the Michaelis constant (Km) be identified and used to represent the affinity between the…

A: The correct answer is given below

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

A: In order to solve this question, we must have some idea regarding the proteins nature and when it…

Q: Select one: но HN" O a. HN ob. Oc. HN d.

A: structure b has a hydrophobic end the carbon chain is the hydrophobic end as OH, NH3+ COOH are all…

Q: Which of the following compounds is not an amino acid?

A: