### Enzyme Classes in Glycolysis and Other Metabolic PathwaysSeveral enzymes involved in glycolysis also participate in multiple other metabolic pathways. Understanding the types of reactions catalyzed by these enzymes is crucial for biochemistry studies. The key types of enzymes include:1. **Kinases (a):** - **Function:** Kinases catalyze the transfer of a phosphate group from a donor molecule, typically ATP, to a specific substrate. This process is critical in the regulation of metabolic pathways.2. **Isomerases (b):** - **Function:** Isomerases facilitate the conversion of a molecule into one of its isomers, enabling the rearrangement of atoms within the molecule to alter its structure without changing its molecular formula.3. **Dehydrogenases (d):** - **Function:** Dehydrogenases are involved in the oxidation-reduction reactions where they remove hydrogen from a substrate. These enzymes play a pivotal role in energy production by contributing to the electron transport chain.Understanding these enzymes helps in comprehending their roles in metabolism and their broader implications in cellular processes.

Enzymes are classified into different classes based on the nature of type of reaction they catalyse.…

Answered: Several of the enzymes of glycolysis…

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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c) Some scientists debate whether it is correct to consider pyruvate as “the end of glycolysis”. Elaborate on this statement, discussing supporting and limiting facts.
Select which of the following enzymes unique to glycolysis are also sites of regulation for glycolysis. Select all that apply. a) glyceraldehyde 3 P dehydrogenase b) PFK c) pyruvate kinase d) hexokinase e) enolase f) phosphoglycerate mutase
Thiamine is the vitamin precursor for a co-enzyme called thiamine pyrophosphate or TPP. A patient diagnosed with thiamine deficiency exhibited fatigue and muscle cramps. The muscle cramps have been related to the accumulation of specific metabolic acids. On the following list, circle the metabolic acids that are most likely to accumulate in a thiamine deficiency? Note: There may be more than one. Isocitrate Pyruvate Succinate α-ketoglutarate Malate Fumarate (b) Provide a brief explanation for your answer to 1 (a) here
Gluconeogenesis is like glycolysis but in reverse. Name the 4 enzymes that are responsible for this process. What is its final product?
Which of the following is a correct ranking of molecules with respect to their energy value in glycolysis (note: >means “greater than”)? (a) two pyruvates > one glucose (b) one glucose > one fructose-1,6-bisphosphate (c) twoglyceraldehyde-3-phosphates (G3P) > one glucose (d) two pyruvates > one fructose-1,6-bisphosphate (e) two pyruvates > two glyceraldehyde-3-phosphates (G3P)
Propose a pathway for the following compound to enter gluconeogenesis / glycolysis. In your pathway, include enzymes (you can use E1, E2, etc.) as well as any necessary cofactors.
Regarding cellular metabolism, mark the true statements: (a). Electrons from the oxidation of glycolysis are transferred to O2 in the TCA cycle (b).Flow in the citric acid cycle increases when the intracellular ratio [NADH/NAD+] is high (c).In microbial cells, the glyoxylate pathway indirectly allows the conversion of fatty acids into glucose (d).Anaplerotic reactions are enzymatic reactions whose kinetics do not follow the Michaelis-Menten model. (e).Gluconeogenesis is the pathway of glucose production from different precursors, such as glycerol, some amino acids and lactate
What is glycogenesis? What are the different enzymes involved and the specific catalysis reactions in glycogenesis? What are the important products in glycogenesis? please answer all
The following reaction would most likely be catalyzed by an enzyme of which class? sucrose + H2O → glucose + fructose
Identify different types of organic reaction mechanism (SN1, SN2, etc) and reaction types (addition, elimination, etc) in the following metabolic pathways. Catabolism of triacylglycerols- beta-oxidation pathway Biosynthesis of fatty acids from Acetyl CoA Glycolysis (from glucose to two molecules of pyruvate)
The last step of glycolysis converts phosphoenolpyruvate to pyruvate. Several intermediates involved in the steps for the conversion of pyruvate to phosphoenolpyruvate via gluconeogenesis are given. Choose and place the right intermediates produced from these steps in the correct order. (Select from: Oxaloacetate, Ethanol, Pyruvate, Ketoglutarate, Phosphoenolpyruvate, Malate, Fumarate) _________ → _________ → _________ → __________ → Phosphoenolpyruvate
Several of the enzymes of glycolysis fall into classes that often occurs in metabolism. Describe ONLY ONE reaction types are catalzed by each of the following. Kinases

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Several of the enzymes of glycolysis fall into classes that What reaction participate in many other metabolic pathways. types are catalyzed by each of the following: a) b) d) kinases isomerases dehyrogenases