- The following both link carbohydrate metabolism with lipid biosynthesis:(a) How many molecules of glucose are required to provide the carbon forthe synthesis of one molecule of palmitate?(b) How many molecules of glucose are required if all of the glucose firstproceeds through the pentose phosphate pathway before proceedingthrough the rest of glycolysis on its way to pyruvate?

Carbohydrates are the energy giving factories of the body. Milk, lettuce, bread and banana are food…

Answered: - The following both link carbohydrate…

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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In fatty acid biosynthesis explain the following two parts -(a) What effect will an increase in oxaloacetate in mitochondria have on fatty acid biosynthesis?(b) How insulin and glucagon affect fatty acid oxidation and biosynthesis reactions/pathways, name them.
10. Glycogen, as the main storage form of glucosc, is an important energy reservoir. Describe the role of glycogen in providing the body with energy. To answer: a) write a scheme for glycogen mobilization, and oxidation of the end product to CO, and H,O; b) mark the reactions associated with ATP synthesis and ATP consumption in the scheme, calculate the oxidation energy yield of I mole of the final product resulting from glycogen breakdown; 1L An unconscious man with sions of alcobol poisonino was taken to the hosnital
Compare and contrast the following items related to lipid metabolism. Cite their main similarities/or differences. 1. Dehydrogenase enzyme vs. dehydratase enzyme(in context of lipid metabolism). 2. Steroid hormones vs. prostaglandins (in terms of their biosynthetic pathways). 3. Fatty acid synthase complex vs. pyruvate dehydrogenase complex.
Specify the number of carbon atoms present and the number of phosphate groups present in each of the following glycolysis intermediates (3 points each) 1. Glucose 6 phosphate 2. Fructose 1, 6, phosphate 3. Glyceraldehyde 3-phosphate 4. 3-phospholglycerate 5. Fructose 6 phosphate
4.1 What are the various pathways by which glucose is utilized? 4.2 State the biomedical importance of glycolysis? 4.3 State the irreversible steps in glycolysis? 4.4 State THREE differences between hexokinase and glucokinase ? 4.5 What is glycolysis? What are the rate limiting enzymes of glycolysis?
1) Glycolysis is central to carbohydrate metabolism and is an intergrated part of other carbohydrate metabolic pathways.Provide a metabolic map of the first phase of glycolysis to show how it intergrates with glycogen metabolism, fructose and galactose catabolism in the liver.Include the four kinases.
A diagram of the reactions of the first round of fatty acid synthesis (lipogenesis) is shown. How many cycles of the synthesis pathway are needed to produce lauric acid, C11H23COOH? || CH3 C S KSO-C-CH₂-C-SACP acetyl-ACP malonyl-ACP CO₂ || CH3 C-CH₂-C-SACP || NADPH + H+ NADP+ OH 요 CH3 CH-CH₂-C-SACP d ord H₂O CH3CH=CH-C-SACP d NADPH + H+ NADP+ CH3CH₂CH2 C-SACP number of cycles:
Draw the product of the reaction of acetyl CoA with CO2 catalyzed by acetyl CoA carboxylase in the first committed step of fatty acid synthesis. Provide the structure in the protonation state found in physiological conditions. Drawing SCOA Q acetyl-COA carboxylase biotin cofactor HCO3, ATP ADP, Pi, H*
What would be the effect (promotes glycolysis or gluconeogenesis) of a sudden increase in the concentration of (d) [fructose-2,6-bisphosphate] ↑ (e) [glucose-6-phosphate] ↑ (f) [NADH] ↑
Consider the following reaction sequence. glucose 1-phosphate + UTP UDP-glucose +-0-P-0- UDP-glucose + (glucose), UDP + (glucose),+1 Which of the following characterizes this process? consumes energy O all of these anabolic O a step in gluconeogenesis
Match the following B vitamins with the roles of their coenzymes: riboflavin [ Choose ] niacin [ Choose ] pantothenic acid [ Choose ] vitamin B6 [ Choose ]
a) Metabolic process in which hexose metabolism occurs? Amount of steps? Since this metabolic process (hexose -> 2 pyruvate) is exergonic. b) But, looking at the individual reactions that makeup this process, they are a combination of exergonic and endergonic reactions. (true or false). If false, explain why. If true explain the contribution of endergonic reactions to the overall exergonic process.

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