acetolactate synthase C CH3 2 CH3 O + CO2 CH3 ТР НО pyruvate acetolactate

Q: 1. Show the mechanism, using arrow formalism, for the following conversions a. iso-citrate to…

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Q: amidase NH2 HO, NH + K dabvana cocuai unt fan onzim amidace

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Q: Mechanism. Studies have shown that aldol condensation can be catalyzed by amines via an enamine…

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Q: Acid phosphatases are an important group of enzymes that can be detected in human blood serum. Under…

A: It is a type of Phosphatase enzyme used to free attached phophonyl groups with other molecules…

Q: Draw the products of the pentanoic acid + PBr3 + Br2, followed by hydrolysis

A: The reaction is as follows:

Q: 2 4 3) Show a biological mechanism for this retro carbohydrate catabolism process. CH,OPO, 2-…

A: First Step ==> Proton abstraction Second step ====> Dehydration

Q: A chemist attempted the following synthesis but obtained only a very low yield of the desired…

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Q: Dehydratase is a PLP-requiring enzyme that catalyzes an a,ß-elimination reaction. Propose a…

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Q: The macrolide shown below is the core of the antibiotic tiacumicin. Draw the primer and the…

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Q: In the biosynthesis of aromatic amino acids, erythrose-4-phosphate undergoes electrophilic addition…

A: Aromatic amino acid are formed from PEP in the glycolysis.  The electrophilic addition is a reaction…

Q: Dehydratase is a PLP-requiring enzyme that catalyzes an α,β-elimination reaction. Propose a…

A: An alpha, beta-elimination reaction is catalyzed by dehydratase, a PLP requiring enzyme. The given…

Q: Treatment of an a-amino acid with DCC yields a 2,5-diketopiperazine. Propose a mechanism. H3N. DCC…

A: DCC (dicyclohexylcarbodiimide) is a reagent which is used to synthesize peptide bond.

Q: 1. Enzyme + acetate + CoA → enzyme + acetyl-CoA In the reaction above, the enzyme is acting as a…

A: This question is related to enzymes.

Q: 2- biosynthesis of 2-hydroxy6-methyl benzoic acid он о HO,

A: The building block of the following natural product is acetate.…

Q: What type of reaction would a PLP-containing enzyme catalyze if the bond most perpendicular to PLP…

A: answer - option - D - Decarboxylation  Decarboxylation reaction would a PLP-containing enzyme…

Q: H2 + CH2 = CH2 --> CH3CH3 Which of the following could be a substrate for an enzyme that has an…

A: Option D is Correct Answer.

Q: What kind of substrate reacts in the following reaction? Ph H Ph Ph O 1° 2° 30 O 1° allylic 2°…

A: We are given the mechanism as follows:

Q: The synthesis of an azo dye is shown below. Please answer the following questions. NH2 N2 1) Na2CO3…

A: This is coupling reaction between diazonium salt react with benzene derivative to form azo compounds

Q: What is the source of the polar headgroup in the formation of sphingomyel? CDP-choline…

A: Spingomyel is a type of lipid found in cell membranes known as sphingolipid.

Q: Propose a mechanism for the rearrangement that converts an a-hydroxyimine to an a-aminoketone in the…

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Q: 6. Which of the following are potential metabolic decoys that could alter heparan sulfate…

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Q: Which of the reactions are spontaneous (favorable)? Rh(I) C,H, + H, C,H. AG = -150.97 kJ/mol…

A: R∆G of each reactions is given. Spontaneous reaction / reactions = ?

Q: We have seen that S-adenosylmethionine (SAM) methylates the nitrogen atom of noradrenaline to form…

A: The mechanism for the methylation of hydroxide ion by SAM is shown below

Q: Which of the following are chiral C-atoms in the chemical structure of this opioid analgesic?…

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Q: te trahedral NADO intermediate. 3). R'-SH SR' R NAD imine intermediate -ketogl utarate Glutamate 3.

A: The curved arrow mechanism for the given reactions and intermediates are as follows:

Q: Vitamin C activity is present in D-Dehydroascorbic acid Both D-Ascorbic acid and D- Dehydroascorbic…

A: The activity of Vitamin C is present in L-ascorbic acid.

Q: CHO CHO CHO H- OH CHO H- OH Но Но- H H- OH OH OH H- OH H- HO- H ОН H. H А. CH2OH В. CH;OH С. CH,OH…

A: Carbohydrates - are polyhydroxy aldehydes or polyhydroxy ketones that yield such compound on…

Q: HN- proline O₂, H₂O co₂ H₂O CO₂ pyrroline- 5-carboxylate H NADP+ CO₂ NADPH NH₂ glutamate…

A: Catabolism refers to the series of enzyme-catalyzed reactions that break down or degrade relatively…

Q: The mechanism for drawing the products of ethyl acetoacetate reacting with: ethoxide followed by…

A: Reaction (f) is a name reaction..which known as dieckmann condensation...

Q: 4) Predict the products of the following reactions: CULI -CI 5) Bonus Question: Simple aminoacetals…

A: Gilman reagent(R2CuLi) reacts with carbonyl chlorides to give ketones.

Q: 26. Cyclophosphamide is a prodrug converted to nitrogen mustard as shown in the following scheme.…

A: Cyclophosphamide is a bioprecursor synthetic prodrug belong to the class of alkylating agent. They…

Q: A form of the nicotinamide ring of NAD+ is shown. Modify the product to show NADH. Show all hydrogen…

A: NAD+ can be converted into NADH simply by the hydride attact at carbon which destroy the conjugation…

Q: (S)-Glutamic acid is one of the 20 amino acid building blocks of polypeptides and pro- Propose a…

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Q: Sterol Biosynthesis A) Name the enzymes and draw the reactions for the synthesis of lanosterol from…

A: Sterols are vital components of all eukaryotic cell membranes, and are essential for cell growth and…

Q: Which of the following substituent is a meta-directing deactivator?   a amino group   b…

A: ->Substituents which are electron donating group that are activating group and increases the…

Q: Write out a scheme for the resolution of the two enantiomers of the antiplatelet drug clopidogrel…

A: The stereogenic center of clopidogrel and 10-camphorsulfonic acid are shown in figure 1.

Q: What are the R/S configurations of the sterogenic centers in this molecule?

A: In any molecule, a stereogenic center is a point of location at which interchange of any two groups…

Q: CH2OH OCH3 OH Но 2. OH a. Furanose/furanoside/Pyranose/Pyranc b. Alfa/beta c. Reducing/ non-reducing

A: Pyranose-Saccharides with 6 membered ring with 5 carbons and 1 oxygen. A glycoside having pyranose…

Q: The dynamic process by which both forms of a- and B-D-glucopyranose in solution change slowly into…

A: The C-atom in α and β-D-glucopyranose which differ in the orientation of the -OH group is termed as…

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: The overall adenylate kinase reaction (2 ADP = AMP + ATP) is a combination of 3 reactions: ATP…

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Q: HN- proline 0₂ H₂0 co₂ H₂0 H N- co₂ pyrroline- 5-carboxylate O=C ¯o NADP+ CO₂ NADPH NH₂ glutamate…

A: Catabolism refers to the series of enzyme-catalyzed reactions that break down or degrade relatively…

Q: 11. What is the most favorable site of protonation of 2-aminoimidazole? NH₂ NH₂ A ΝΗ ΝΗ NH₂ B NH H+…

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Q: 12] A polyketide synthase leads to the formation of the following compound: OH Provide a mechanism…

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Q: The phosphoryl group on phosphoglucomutase is slowly lost by hydrolysis. Propose a mechanism that…

A: (i) Phosphoglucomutase belongs to group of enzyme. (ii) It transfers a phosphate group on an…

Q: In dilute aqueous base, (R)-glyceraldehyde is converted into an equilibrium mixture of…

A: The mechanism of the above reaction is given in the next step.

Q: In this reaction, D‑erthyro‑imidazole‑glycerol phosphate is first protonated to form a good leaving…

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Q: wh काय ताप्ही जवा धुरथ्वे करीप me ला शोंण्ट ककड़ण्OT w नैसेवानशव. Sleet one or more (ब) Pठि०५ Vवनंर…

A: In the given reaction, the phosphate group (-PO42-) from phosphoenolpyruvate(PEP) is transferred to…

Q: Proteins are composed of long chains of amino acids linked together through amide bonds. In the…

A: Dipeptides contains an amide bond which on hydrolysis gives the corresponding amino acids as;

Q: 2 Fe + O2 --> 2 FeO has a positive Delta S

A: The change in entropy for the process is positive only if the randomness in the system increases as…

Vitamins and Coenzymes

A class of organic compounds needed in the human body for normal activities is known as vitamins. They are characterized into two parts depending upon their solubility in water. They can act as coenzymes, cofactors, or prosthetic groups for enzymes.