Microbiology With Diseases By Taxonomy (6th Edition)
6th Edition
ISBN: 9780134832302
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 5, Problem 2FIB
Summary Introduction
Introduction:
The glycolysis is a process of breakdown of glucose molecule into two molecules of pyruvate. The glycolysis is a catabolic process which produces ATP and NADPH molecules.
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The binding of ATP with the enzyme pyruvate kinase result's in this enzyme's failure to catalyze the last step in the breakdown of glucose during the process of glycolysis. In this situation, ATP acts as the ________ of pyruvate kinase.
The glycolysis reaction follows two step. The initiation requires the input of two ATP, which become converted to ADP but ADP is not a product in the net reaction for glycolysis. Why?
Liver cells need NADH and ATP for gluconeogenesis, which involves both cytoplasm and mitochondria. From cytoplasm, pyruvate enters the mitochondria via transporter protein and in mitochondria, pyruvate undergoes carboxylation and reduction. The reduction produces _______, which is transported from mitochondria to cytoplasm via its transporter protein.
Chapter 5 Solutions
Microbiology With Diseases By Taxonomy (6th Edition)
Ch. 5 - How can oxidation take place in an anaerobic...Ch. 5 - Prob. 2TMWCh. 5 - Prob. 3TMWCh. 5 - Prob. 4TMWCh. 5 - Prob. 5TMWCh. 5 - Prob. 6TMWCh. 5 - Prob. 1MCCh. 5 - Prob. 2MCCh. 5 - Prob. 3MCCh. 5 - Prob. 4MC
Ch. 5 - Prob. 5MCCh. 5 - Prob. 6MCCh. 5 - Prob. 7MCCh. 5 - Prob. 8MCCh. 5 - Prob. 9MCCh. 5 - Prob. 10MCCh. 5 - Prob. 11MCCh. 5 - Prob. 12MCCh. 5 - Prob. 13MCCh. 5 - Prob. 14MCCh. 5 - Prob. 15MCCh. 5 - Prob. 16MCCh. 5 - Prob. 17MCCh. 5 - Prob. 19MCCh. 5 - Prob. 20MCCh. 5 - Prob. 1MCh. 5 - Prob. 1FIBCh. 5 - Prob. 2FIBCh. 5 - Prob. 3FIBCh. 5 - Prob. 4FIBCh. 5 - Prob. 5FIBCh. 5 - Prob. 6FIBCh. 5 - Prob. 7FIBCh. 5 - Prob. 8FIBCh. 5 - Prob. 9FIBCh. 5 - Prob. 10FIBCh. 5 - Examine the biosynthetic pathway for the...Ch. 5 - Prob. 1SACh. 5 - Prob. 2SACh. 5 - Prob. 3SACh. 5 - Prob. 4SACh. 5 - Prob. 5SACh. 5 - Prob. 6SACh. 5 - Prob. 7SACh. 5 - Prob. 8SACh. 5 - Prob. 9SACh. 5 - Prob. 10SACh. 5 - Prob. 11SACh. 5 - Prob. 12SACh. 5 - Prob. 13SACh. 5 - Prob. 14SACh. 5 - A laboratory scientist notices that a cer1ain...Ch. 5 - Arsenic is a poison that exists in two states in...Ch. 5 - Explain why an excess of all three of the amino...Ch. 5 - Describe how bacterial fermentation causes milk to...Ch. 5 - Giardia intestinalis and Entamoeba histolytica are...Ch. 5 - Prob. 6CTCh. 5 - Prob. 7CTCh. 5 - Prob. 8CTCh. 5 - Cyanide is a potent poison because it irreversibly...Ch. 5 - How are photophosphorylation and oxidative...Ch. 5 - Prob. 11CTCh. 5 - Compare and contrast aerobic respiration,...Ch. 5 - Scientists estimate that up to one-third of Earths...Ch. 5 - Prob. 14CTCh. 5 - Prob. 15CTCh. 5 - Some desert rodents rarely have water to drink....Ch. 5 - Prob. 17CTCh. 5 - Prob. 18CTCh. 5 - Explain why hyperthermophiles do not cause disease...Ch. 5 - In addition to extremes in temperature and pH,...Ch. 5 - Prob. 21CTCh. 5 - Prob. 22CTCh. 5 - Prob. 23CTCh. 5 - Prob. 24CTCh. 5 - Prob. 25CTCh. 5 - A scientist moves a green plant grown in sunlight...Ch. 5 - What class of enzyme is involved in amination...
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- Glycolysis & Gluconeogenesis are both spontaneous. If both pathways were simultaneously active in a cell, it would constitute a "futile cycle" that would waste energy. Explain it.arrow_forwardIf glycolysis has an overall –DG (i.e., it’s exergonic), why does it require an energy investment of two ATP to happen?arrow_forwardIn hepatocytes, the enzyme glucokinase catalyzes the ATP-coupled phosphorylation of glucose. Glucokinase binds both ATP and glucose, forming a glucose-ATP-enzyme complex. The enzyme then transfers the phosphoryl group directly from ATP to glucose. Select the advantages of phosphoryl group transfer compared to hydrolysis and subsequent phosphorylation? ATP hydrolysis is thermodynamically unfavorable compared to group transfer. Glucokinase increases the transition state energy, favoring glucose phosphorylation. The process takes advantage of the high phosphoryl group transfer potential of ATP. Reaction intermediates do not need to be present in excess. Incorrectarrow_forward
- In the glycolysis stage, how much ATP is made per glucose molecule.arrow_forwardThe complete aerobic catabolism of one molecule of glycerol from the break-down of fats would result in the production of NADH ATP equivalents via substrate phosphorylation.arrow_forwardMost of the ATP produced during cellular respiration is produced during glycolysis. True or Falsearrow_forward
- Glycolysis can occur under both aerobic and anaerobic conditions. Why is glycolysis called an anaerobic pathway?arrow_forwardDuring glycolysis a total of 4 ATP molecules are produced and electrons are harvested for the electron transport chain. True or Falsearrow_forwardIn glycolysis and the Krebs cycle, electrons are removed from glucose and taken up by molecules + like NAD In such a reaction, glucose is being ______ and NAD is being ____arrow_forward
- Assuming that the glycerol 3-phosphate shuttle is operative, a complete oxidation of five molecules of glucose (by a eukaryotic cell) into carbon dioxide and water would produce approximately _________ ATP molecules via oxidative phosphorylation only. (Consider NADH = 2.5 ATP and FADH2 = 1.5 ATP)arrow_forwardWhich of the following cellular concentrations would be likely to increase the rate of glycolysis? Low AMP levels High glucagon levels ✓Low fructose-2,6-bisphosphate levels High AMP levels High phosphoenolpyruvate levels Low ATP levelsarrow_forwardn Glycolysis and the Krebs's cycle are shut down due to the buildup of specific substrates like ATP and te, this is called: ompetitive Inhibition losteric activation eedback Inhibition etabolism overloadarrow_forward
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