Describe each component in glycolysis metabolic pathways involving the degradation of glucose.
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Q: Q2: Which of the following statements is true regarding CC's ability to digest and absorb glucose.…
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Q: anaerobic fates of pyruvate (conversion to lactate or ethanol) in terms of ATP production?
A:
Q: Which enzyme catalyzes the first step of glycolysis? explain the whole pathway in detail?
A: Glycolysis convert glucose into pyruvate or lactate with generation of energy. It occurs in all…
Q: Answer the ff questions. I. 1. what happens to glucose molecules during the process of glycolysis?…
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Q: Activity 13.5. Arrange the following enzymes of glycolysis. Hexokinase, enolase, aldolase, Pyruvate…
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Q: In the citric acid cycle, pyruvate is completely oxidized to?
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Q: 11. INTERPRET THE DATA Phosphofructokinase is an enzyme that acts on fructose 6- phosphate at an…
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Q: MAKE CONNECTIONS Step 3 in Figure 9.9 is a major pointof regulation of glycolysis. The enzyme…
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Q: 4. What are the main products of glycolysis?
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Q: 1. Under aerobic catabolism of glucose, in which compartment of the eukaryotic cell does the…
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Q: Q. 1 Which enzyme catalyzes glycolysis' initial step? Describe the whole journey in detail?
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Q4
Describe each component in glycolysis
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Solved in 2 steps
- Q4: Explain in detail ,Why isn't the pentose phosphate pathway very active in muscle tissues compared to adipose tissue?MAKE CONNECTIONS Step 3 in Figure 9.9 is a major pointof regulation of glycolysis. The enzyme phosphofructokinaseis allosterically regulated by ATP and related molecules (seeConcept 8.5). Considering the overall result of glycolysis,would you expect ATP to inhibit or stimulate activity of thisenzyme? Explain. (Hint: Make sure you consider the role of ATPas an allosteric regulator, not as a substrate of the enzyme.)Q. 1 Which enzyme catalyzes glycolysis' initial step? Describe the whole journey in detail?
- Q. 1 Which enzyme catalyzes the first step of glycolysis? explain the whole pathway in detail?Q18: Identical reactions are catalyzed by the enzyme hexokinase with a Km of 0.2 mM in muscle cells and by the enzyme glucokinase in the liver with a Km of ~5 mM (see reaction below). Glucose + ATP → Glucose 6-phosphate + ADP Using the Michaelis-Menten curve below, indicate which line shows the progression of the reaction catalyzed by hexokinase and which line shows the progression of the reaction catalyzed by glucokinase? When blood glucose levels are at 5mM which of the two enzymes will be working at full capacity? The activity for which of these two enzymes will be responsive to changes in substrate availability within the normal blood glucose range (4 - 10 mM)? 100% normal fasting [glucose] drg 7.5 10 2.5 blood glucose (mM) Q19: What is the Lineweaver-Burk plot and why is it often used for determining Vmax and Km? Relative Velocity (%)Q.2 Answer ALL parts: The scheme shown below in Figure 3, outlines the fate of glucose during cellular respiration: Glucose (I) Рyruvate (II) (VI) Acetyl CoA Lactic acid Acetaldehyde (VII) Ethanol (III) Oxidative (IV) phosphorylation Figure 3: Schematic representation of the fate of glucose during respiration (a) Diagram the steps involved in the process labelled (I) in the figure given above.
- ce BiochemistryQ&A Library1. Under aerobic catabolism of glucose, in which compartment of the eukaryotic cell does the following reactions occur? a. Conversion of pyruvate to acetyl CoA. b. Conversion of succinyl-CoA to succinate c. Conversion of NADH to ATP d. Conversion of phosphoglycerate to phosphoenolpyruvate 1. Under aerobic catabolism of glucose, in which compartment of the eukaryotic cell does the following reactions occur? a. Conversion of pyruvate to acetyl CoA. b. Conversion of succinyl-CoA to succinate c. Conversion of NADH to ATP d. Conversion of phosphoglycerate to phosphoenolpyruvate Question 1. Under aerobic catabolism of glucose, in which compartment of the eukaryotic cell does the following reactions occur? (i) Conversion of pyruvate to acetyl CoA. (ii) Conversion of succinyl-CoA to succinate (iii) Conversion of NADH to ATP (iv) Conversion of phosphoglycerate to phosphoenolpyruvate 2. Describe various mechanisms for regulation of…Question #7 When you vigorously exercise your muscle cells produce lactate. Ultimately, the lactate that is produced is transported to the liver and converted back into glucose via the gluconeogenesis pathway. 7A Sketch how lactate in the liver is converted into glucose. You do not need to draw any structures of the intermediates, but should provide the names (or acronyms!) of all of the metabolic intermediates involved in the conversion of lactate to glucose. Make sure to indicate points in the pathway that make use of ATP (or an ATP equivalent) and NADH. OH O lactic acid 0000000 A -P=O OH OO во O ⒸO-P=O OH O-P=O O OH OO ОН HO-P=OO OH H OH H O=- 4 pyruvate J OH OH D H -P=O OH fry F OH OH Н. EN VIL O OH OH OH OH N M O LOH K OH OH OH علم OH OHCHCASE Dashboard A student conducts two experiments to observe the effects of different factors on ATP production during aerobic cellular respiration. In the first experiment, the student isolates mitochondria in a test tube, adds oxygen to the test tube, and measures the amounts of ATP produced at three temperatures. In a second experiment, the student keeps the temperature the same and varies the concentration of oxygen added to the test tube for each trial, The student records all data in the table shown. Ite Ite Ite Experiment Trial Temperature Oxygen Concentration (°C) ATP Produced (mol/L) (mol/L) Iter 1 25 15 1.5 Iter 1 30 15 1.8 Item 35 15 2.6 Iter 35 25 3.5 Iter 2 2 35 35 3.8 Item 3 35 45 4.2 Based on the experiments, which statement can be concluded concerning ATP production during aerobic cellular respiration? O Increasing the temperature or the oxygen concentration improves the efficiency of ATP production during aerobic cellular respiration. O Decreasing the temperature or…
- Q2: Which of the following statements is true regarding CC's ability to digest and absorb glucose. Cytosol Mitochondrion A. PATHWAY 1. major pathway of ethanol NAD* NADH + H* NAD* NADH + H* H metabolism in the liver CH-CH,-OH- ADH II CH,-C-OH + H-O-H CH,-C=O ALDH ETHANOL АСЕTALDEHYDE АСЕТАТE WATER B. PATHWAY 2 microsomal ethanol CYP2E1 oxidizing system (МEOS) NADPH + H*+ 02 NADP* + 2H,0 Excess alcohol consumption increases the NADH:NAD* ratio in the cytosol of hepatocytes. The main location of ethanol metabolism in the body is the liver and the main route of detoxification includes liver alcohol dehydrogenases (ADH) located in the cytosol and aldehyde dehydrogenases (ALDH) located in the mitochondrion. Together these sequentially convert ethanol into acetate. A second (more minor) route of detoxification includes the microsomal ethanol oxidizing system (MEOS).Q: Establish a correspondence between the items indicated by a number and a letter: features of catalysis:- Catalyzes the oxidative phosphorylation reaction. Participates in the reaction of substrate phosphorylation. b) Forms oxaloacetate in the mitochondria of the cell. d) Enzyme:- a) ATP synthase; b) succinate thiokinase; c) isocitrate dehydrogenase; d) malate dehydrogenase; e) citrate synthase.BIOC 384 Citrate Cycle Regulation and Intermediates Q11.1: Explain why a mutation in pyruvate carboxylase that blocks its ability to be regulated by acetyl-CoA results in lower rates of energy conversion via the Citrate Cycle. Hint: see figure 10.36.