Consider the following metabolic pathway and answer the questions.CHOPO,CHOPO,H-C-OHCHOHонOHHO-C-HH-C-OHH-C-OHH-C-OHH -OHa.Give the two principal metabolicfunctions of this pathwayCHOCHOHH--OHb.Write the number of the reactionHO-CH--OHCHOPO,that is an oxidative decarboxylation.H-C-OHc dentify the products of reaction 8by name or by structure.CH,OHHO-Hd.Identify a reaction that usesCHOthiamine pyrophosphate as a cofactorH-C-OHH-C-OHH-C-OHe Identify a reaction that involves thehydrolysis of an ester.H -OHCHOPOCHOCHOHH-C-CH-OHName the products of reaction 6.HO-C-HH-C-OHH-C-OHCHOPO

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Answered: Consider the following metabolic…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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The reaction pictured is an oxidation-reduction reaction in the citric acid cycle in which the energy-carrier molecule NADH is generated. Identify which molecule in the reaction will be oxidized and which molecule will be reduced. Place a single answer choice in each box. COO- HO-C-H H-C-H COO- Malate NAD+ NADH + H+ Oxidized malate oxaloacetate COO- H-C-H ī COO- Oxaloacetate Reduced NADH NAD+
Suggest a name for an enzymes that catalyzes each of the following reactions.1. Hydrolysis of Lactose 2. Oxidation of Nitrate3. Decarboxylation of Citrate4. Reduction of Exalate
Draw the structures of the following coenzyme molecules: 1. CoA-SH/Acetyl-S-CoA 2. NAD*/NADH + H* • For both: Give full name (if you copy the formula from an Internet source, please cite it properly, for example, according to the Chicago Manual of Style. • Indicate what are the chemical groups that are active in these molecules, i.e., what group participates in metabolic reactions (be aware that both molecules may be involved in both anabolic and catabolic processes). • What vitamin or vitamins will, when modified, contribute to the structure of these molecules? • Write a short, general conclusion of the importance of these two coenzymes in metabolism.
Suggest a name for an enzyme that catalyzes each of the following reactions. 1. Hydrolysis of lactose 3. Decarboxylation of citrate 4. Reduction of oxalate 2. Oxidation of nitrite
Which class of enzymes catalyzes the following reactions? CH2- CH2- CH2 H2- C- CH2 AST CH2-C CH2 CH-NH + C=O + C=0 + CH-NH ČO0 Čo0 ČO0 ČO0" Aspartate Oxoglutarate Oxaloacetate Glutamate Select one: a. Oxidoreductase O b. Isomerase O c. Ligase d. Transferase
This is a conjectural question: If the reactive part of coenzyme A is the thioester, why is the molecule socomplicated?
(i) During the Pyruvate Decarboxylase (PDC) catalysed reaction, a covalent coenzyme intermediate is formed. On the skeleton of the covalent coenzyme intermediate below draw the appropriate double bonds, charges, and electron pairs to illustrate the two resonance forms of this intermediate. Name each form in the boxes provided. HO S R' N -R HO S R' N -R
In relation to Carbamoyl Phosphate Synthetase enzyme, answer the following: A- What are the two isoforms of this enzyme, explain why there are two isoforms? B- What are the clinical manifestations associated with the deficiency of these two enzymes? C- Write down the biochemical reaction and the name of the metabolic pathway that these two isoforms are involved in, and how many ATP is utilized by these two isoforms?
The biosynthesis of vitamin D₂ is a two-step reaction, requiring two types of concerted pericyclic reactions. Draw in the arrows for each step and identify the structure of precalciferol. If an electrocyclic reaction is required, identify if it occurs through a conrotatory or disrotatory reaction. HO H H ergosterol hv precalciferol Cast HO ergocalciferol
There are eight chemical reactions that occur in the citric acid cycle process. The reactions of the citric acid cycle are shown in the figure below. Several classes of organic reactions like these classes include esterification, decarboxylation, hydration reactions, dehydration of alcohols, oxidation of alcohols, oxidation of aldehydes, reduction of aldehydes, and reduction of ketones. Find at least one of these reaction classes in the citric acid cycle. List the reaction number and the reaction. Write a sentence or two on how you were able to make the classification.
Suggest a name for an enzyme that catalyzes each of the following reactions. Oxidation of nitrite Decarboxylation of citrate Reduction of oxalate
a What would be the appropriate name for an enzyme that catalyzes each of the following reactions: b H3C iOH OH NH₂ alanine ligase alanine oxidoreductase alanine isomerase alanine transferase OH H3C CH3 H3C NO₂ propanone transferase propan-2-ol hydrolase propan-2-ol oxidoreductase propan-2-ol isomerase OH H3C CH3

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