Part AComplete the sentences to explain how pyruvate kinase regulates the rate of glycolysis.Match the words in the left column to the appropriate blanks in the sentences on the right.2-phosphoglycerateATP or acetyl CoAglucoseATP or NADHADPATPNADHADP or acetyl CoApyruvateReset HelpPyruvate kinase is the last enzyme in the glycolysis pathway. When it is inhibited by either high levels ofphosphoenolpyruvate is not converted totherefore, the last twoare not produced.molecules of

Glycolysis is a process in which one molecule of glucose is converted into two molecule of pyruvate…

Answered: 2-phosphoglycerate ATP or acetyl CoA…

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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Which of the following is TRUE? O Both AMP and ADP are negative regulators of glycogenolysis. ATP shifts the curve of glycogen phosphorylase to the left. O Citrate binds covalently to acetyl CoA carboxylase. Phosphofructokinase-1 is an allosterically regulated enzyme in glycolysis. The carnitine shuttle is positively regulated by Malonyl CoA.
Match group A with group B: Group A Group B ATP synthase that makes ATP, is a Pyruvate part of Transfers the electrons from cyt c to O2 NADH Both glycogen synthesis and glycogen +NAD breakdown share the metabolite Glucose converted into two of these ТСА суcle molecules a-ketoglutarate dehydrogenase ETC inhibited by The central catabolic pathway is Ubiquinone Cytochrome c oxidase Glucose-1- phosphate
Pyruvate dehydrogenase kinase is a deffected enzyme and it is the connection between the alteration of metabolism and cancer. The biochemical pathway impacted by your disease (a figure showing the complete normal pathway must be included using the chemical structures and names of all compounds) The name of each enzyme/protein in the pathway
Fructose may enter glycolysis via 2 different pathways. Describe the both pathways for fructose to enter glycolysis. Would the primary regulation point for glycolysis regulate all metabolism of fructose? Explain your answer.
Fatty acid oxidation for energy yield occurs in the mitochondrial matrix, and for palmitate as one example, generates [FADN2, NADH, and Acetyle-CoA or FADH, GTP, and NADPH] , all of which can be converted to ATP (108 of them to be exact) via oxidative phosphorylation. This is a [greater or smaller] yield of ATP per carbon atom compared to glucose. Ketogenesis is a process where acetyl-CoA (including that from breakdown of fatty acids) is converted to ketone bodies under conditions where carbohydrates are [in excess or liminting] . Acetoacetate and D-beta-hydroxybutyrate are delivered from liver to the blood stream where they provide energy for [cardiac and skeletal muscle as well as brain or synthesis of glycogen] . [Insulin or glucagon] promotes ketogenesis by stimulating fatty acid export from adipose tissue.
The net ATP produced during a β-oxidation process is always less than two ATP because An ATP is converted to ADP during fatty acid activation ATP is consumed during acyl CoA shuttling An ATP is converted to AMP during fatty acid activation A NADH is produced in the cytosol
What are the regulation of glycogeonesis and pentose phosphate pathway?
The most regulated enzyme in glycolysis is a Hexokinase b G3P Dehydrogenase c Pyruvate Kinase d Phosphofructokinase
During Krebs cycle, the conversion of isocitrate to alpha-keto glutarate involves all of the following reactions/mechanisms except Reduction of isocitrate Reduction of NAD+ Decarboxylation of isocitrate Oxidation of isocitrate
All the reactions involved during gluconeogenesis occur in the cytosol except the one catalyzed by phosphoenolpyruvate carboxykinase. Group of answer choices True False
Inhibiting which of the following enzymes will block gluconeogenesis but not glycolysis? Pyruvate carboxylase Pyruvate kinase Phosphoglycerokinase Phosphenolpyruvate carboxykinase Phosphofructokinase-1
Fatty acid degradation stimulates the citric acid cycle through the activation of pyruvate carboxylase by acetyl-CoA. Why would the activation of pyruvate carboxylase increase energy generation from fatty acids?

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