2. The following mechanism has been proposed for superoxide dismutase. active site H*. H2O2 (ii) H20 H* O2 a. Explain each step in the catalytic cycle. b. What is the net reaction that occurs at this enzyme? c. Fe and Mn SOD’s exist in nature. What is the structure of each? How do thei mechanisms differ from Cu2Zn2SOD?

Q: 7.33 The agarose gel used for the electrophoresis of DNA is seaweed polysaccharide containing an…

A:

Q: 1. The antibacterial activity of flavonoids was tested against the bacterial strain, Escherichia…

A: A question based on molecules that is to be accomplished.

Q: 1.) Did the lactase enzyme show specificity? Support your answer by comparing yor data for lactose…

A: Enzymes- These are made up of amino acid chains or proteins. They can be used as a catalyst in…

Q: Draw the structures of the substrate (pNPP) and of the inhibitors (Pi and Phe). Consider them in the…

A:

Q: Esterase hydrolyzes ester bonds. For simplicity, only the amino acids whose side-chains interact…

A: Introduction :  Hydrolysis can be defined as a double decomposition reaction with water as one of…

Q: The conversion of CO(g) to CO₂(g) is sped up by introducing CO(g) to solid platinum. This makes…

A: In the above reaction solid platinum act as heterogeneous catalyst.  (i.e.,Option D is Correct…

Q: -CO̟Et OAc -co,Et OCH3 (i) dil aq. HCI, 70 °C Lipase PS, t-BUOCH3, 168 h OH он (S)-2 (iї) K-СОз, 168…

A: We have to identify the new signal(s) in compound 3 would you expect not to be in (R/S)-2 for H NMR…

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: Which substrate concentration range is best for determining the catalytic efficiency of an enzyme…

A: In enzyme catalyzed reaction the catalytic effeciency is defined as how efficiently enzyme converts…

Q: Summarize three ways in which an enzyme might lower the energy of a activation of a raction 2. What…

A: PART A - The three ways in which an enzyme might lower the energy of a activation of a reaction are…

Q: Enzyme X has a Km for substrate A which is twice as large as its Km for substrate B. If the enzyme…

A:

Q: Protein synthesis in bacterial cells almost always starts with: a cysteine residue O could start…

A:

Q: 3. Some medications permanently inactivate their target enzyme by forming a covalent bond to an…

A: Given, drug is penicillin. The structure of penicillin is shown below: The active site in…

Q: One of the beolow statements is FALSE Amytase Pepain Arginese 4. 10 12 O a. Irreversible enzyme…

A: The given graph in the question is a plot of activity of an enzyme vs. pH of the medium. In this…

Q: 3. Imagine the following reaction happening at room temperature under standard conditions: A → B a.…

A: Given reaction is :  A -----> B  For this reaction expression of equilibrium constant Keq =…

Q: regarding a reversible E? fect can be decreased by increasing the substra embles the substrate's…

A: According to the question, we need to determine which of the statement regarding a reversible…

Q: A medicinal chemist is trying to determine the mechanism of action of inhibitors she has…

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

Q: The following figure shows the intermediate of the transketolase mechanism. Use arrow pushing to…

A: Given reaction is : We need to draw the arrows depicting the mechanism and the final product.

Q: 10. Applying the Michaelis-Menten Equation II An enzyme catalyzes the reaction M N. The enzyme is…

A: The Michaelis -Menten equation is shown below: Where; [E0] = enzyme concentration Vmax = maximum…

Q: How is the maximal rate of the enzyme changed in the presence of an inhibitor?

A: Maximum rate of reaction is characteristic of a particular enzyme at a particular concentration and…

Q: Below is given the active site of a protease including its substrate. SUBSTRATE R1-NH `NH Ph `NH он…

A: Solution:  (ii) The given enzyme is serine protien.

Q: If you wanted to decrease the deltaG of an enzyme-catalyzed reaction and could make only one change,…

A: Gibbs free energy is the free energy difference between the products and reactants of a chemical…

Q: OH HNL CN R' + HCN One of the proposed mechanisms for this enzyme is shown in the scheme below.…

A:

Q: [12:13 PM, 6/19/2020] Ella: Which statements about isoenzymes are TRUE? 1) they are different,…

A: SOLUTION: Step 1: Isoenzymes are defined as the different variants of the same enzyme having…

Q: 5. Among many of the drugs studied for the treatment of cancer is the carboxamide derivative Poly…

A: Major product.

Q: Explain why an irreversible inhibitor of an enzyme might be more toxic to humans than a reversible…

A: Enzyme are the biological catalyst. The inhibitor is the molecule that binds to an enzyme and…

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: II. Analysis. Given below is a schematic diagram for a simple analysis of a novel tetrasaccharide…

A: D- fructose.  B- glucose . C - galactose . As A gives Benedict's test: (+) Seliwanoff's test: (-)…

Q: . TPCK and TLCK are irreversible inhibitors of serine proteases. One of these inhibits trypsin and…

A: Irreversible inhibitor for chymotrypsin is Tosyl phenylalanyl chloromethyl ketone (TPCK) because it…

Q: Which of the following contributes most substantially to rate acceleration produced by an enzyme? O…

A: The solution is given below -

Q: 1. Enz-0-H opo3 Enz, Draw a mechanism for the below, which involves twa steps and the starting point…

A: To draw a mechanism for the below, which involves two steps and the starting point of the enzyme (on…

Q: You are purifying an enzyme and notice that your sample has a lower activity at each step, yet the…

A: We know that the specific activity indicates how much of the total protein is the enzyme we are…

Q: What is the relative activite and the degree of inhibition caused by a competitive inhibitor when…

A: Degree of inhibition The introduction of an internal control—the rate of the uncontrolled…

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: 1. Alkaline phosphatase has a key serine residue in the active site that is critical for biological…

A: The hydrolysis of phosphate ester proceeds via the key phosphoserine intermediate.

Q: Two different enzymes ( X and Y) can catalyze the below reaction.

A: Catalyst is the substance which enable the reaction to faster usually or in under different…

Q: What is the important values needed to calculat Km and Kcat afor an enzyme data?

A: We have to tell the important values are needed to calculate the Km and Kcat for an enzyme catalyzed…

Q: A) Describe substrate structure and condition that favor SN1 reactions taking place over SN2. B)…

A: Generally, SN1 and SN2 are reaction mechanisms in which the SN2 is bimolecular in the rate of…

Q: An enzyme catalyzes the reaction M ⇌ N. The enzyme is present at a concentration of 1 nM, and the…

A:

Q: Q 21: After the substrate diffuses with the enzyme, the next action in series is the A. amino acids…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Relation between Reaction Velocity and Substrate Concentration: MichaelisMenten Equation: At what…

A: Write the expression of Michaelis Menten Equation. Vo = Vmax×[S]KM+ [S]  where Vo is the velocity or…

Q: 17.) In the left graph below, the dashed line (- - - -) represents what? В) Km A) Vmax C)…

A: Vmax is the maximum rate of reaction when enzyme reacts with substrate and Km is the Michael's…

Q: please explain why this happends, im having trouble in this section. Part A Chymotrypsin, an enzyme…

A:

Q: STRENGTH OF REACTION SAMPLE (small,med.large) +++ large bubbley Small bubbles mo reaction |LIVER…

A: To determine the catalase activity, we would first define what is catalase and then we would learn…

Q: II. Analysis. Given below is a schematic diagram for a simple analysis of a novel tetrasaccharide…

A: D- fructose  B - glucose  C- galactose  A-ribose  From TLC profile we can see that four…

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.