Microbiology with Diseases by Taxonomy (5th Edition)
5th Edition
ISBN: 9780134019192
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 5, Problem 15CT
Summary Introduction
To determine:
The number of acetyl-CoA molecule molecules that will be generated if a bacterium uses beta-oxidation to catabolize a molecule of the fatty acid arachidonic acid.
Introduction:
The
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How many acetyl CoA molecules are produced in one cycle of beta oxidation?
How many cycles would it take to catabolize a stearic acid molecule (a fatty acid, [18:0]) into acetyl Co A units?
a)How many acetyl CoA molecules would be produced?
b) How many reduced nucleotides would be produced?
c) If a molecule of glucose produces a net 32 ATP when completely catabolized, which do you think will produce more energy, one molecule of glucose or one molecule of stearic acid? Justify your answer.
Only one acetyl CoA molecule is used directly in fatty acid synthesis. Identify the carbon atoms in palmitic acid that were donated by acetyl CoA.
In the complete b-oxidation of stearic acid (18:0),
a) how many moles of acetyl CoA are produced?
b) how many times would the fatty acid pass through the fatty acid spiral for complete oxidation?
c) what is the total ATP produced in the citric acid cycle?
d) how many moles of NADH are produced?
e) how many moles of FADH2 are produced?
f) how many moles of ATP are produced after all NADH are reoxidized in the respiratory chain?
g) how many moles of ATP are produced after all FADH2 are reoxidized in the respiratory chain?
h) how many moles of ATP are produced from the complete oxidation of stearic acid?
Chapter 5 Solutions
Microbiology with Diseases by Taxonomy (5th Edition)
Ch. 5 - Prob. 1MCCh. 5 - Prob. 2MCCh. 5 - Prob. 3MCCh. 5 - Prob. 4MCCh. 5 - Prob. 5MCCh. 5 - Prob. 6MCCh. 5 - Prob. 7MCCh. 5 - Prob. 8MCCh. 5 - Prob. 9MCCh. 5 - Prob. 10MC
Ch. 5 - Prob. 11MCCh. 5 - Prob. 12MCCh. 5 - Prob. 13MCCh. 5 - Prob. 14MCCh. 5 - Prob. 15MCCh. 5 - Prob. 16MCCh. 5 - Prob. 17MCCh. 5 - Prob. 18MCCh. 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 - Label the mitochondrion to indicate the location...Ch. 5 - Label the diagram below to indicate acetyl-CoA,...Ch. 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 - Prob. 3CTCh. 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...Ch. 5 - Prob. 1CMCh. 5 - How can oxidation take place in an anaerobic...Ch. 5 - Prob. 2TMWCh. 5 - Prob. 3TMWCh. 5 - Prob. 4TMWCh. 5 - Prob. 5TMWCh. 5 - Prob. 6TMW
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Where does the carbon come from that is used to synthesize ketone bodies? a) Acetyl-CoA generated by decarboxylation of pyruvate b) Acetyl-CoA generated by deamination of amino acids c) Acetyl-CoA generated by beta-oxidation of fatty acids.arrow_forwardThe citrate cycle is a metabolic engine generating [ Select: "carbon monoxide", "NAD, FAD and GDP", "carbon dioxide, NADH, FADH, and GTP"] from the fuel [ Select : "triglycerides", "acetyl-CoA"]. It is considered a cycle since all components must be maintained beginning with the addition of the two carbons from acetyl-CoA to form [ Select ] ["succinate", "citrate"] from [ Select ]["fumarate", "oxaloacetate"]. The citrate cycle depends on the presence of oxygen since [ Select ]["oxygen is directly required in the citrate cycle", "oxygen is required for NADH and FADH2 oxidation, and their accumulation in the absence of electron transport results in feedback inhibition of the citrate cycle"] .arrow_forwardFor each of the steps below, choose (A) if the step pertains to b-oxidation, (B) if the step pertains to fatty acid synthesis, or (C) if the step is common to both processes. ______ Acetyl CoA is produced as a product.______ Activation (the committed step of the process) requires ATP hydrolysis. ______ Accumulated acetyl CoA serves as a substrate.______ The length of fatty acid carbon chain is modified in the mitochondria. ______ ACP acts as the acyl carrier.arrow_forward
- Under conditions where ketone bodies are being produced in the liver, how many ATPS can be produced from a molecule of palmitic acid if all resulting molecules of acetyl-CoA are converted into B-hydroxybutyrate?arrow_forwardFourteen NADPH molecules are required to produce one molecules of palmitic acid from acetyl CoA. Substantiate this statement by referring to the enzymatic activities involved in reduction steps during fatty acid synthesis and the number of cycles required to produce palmitic acid from acetyl CoA. How many molecules of ATP is required for the synthesis of palmitic acid from cytosolic acetyl-CoA?arrow_forwardD) Carbohydrate catabolism involves substrate-level phosphorylation. E) My answer is not here 27. The adduct acetoacetyl-acyl carrier protein is formed as an intermediate during fatty acid biosynthesis. The CO2 used to synthesize malonyl-S-CoA is lost. Would this help make the reaction more or less energetically favorable? A) Loss of CO2 increases entropy (AS) and therefore decreases the favorability of the reaction (AG). B) Loss of CO2 has no effect on entropy (AS) and therefore does not affect the favorability of the reaction (AG). C) Loss of CO2 increases entropy (AS) and therefore increases the favorability of the reaction (AG). D) Loss of CO2 decreases entropy (AS) and therefore decreases the favorability of the reaction (AG). E) Loss of CO2 decreases entropy (AS) and therefore increases the favorability of the reaction (AG).arrow_forward
- How many acetyl-CoA molecules can be produced from a 20-carbon chain free fatty acid?arrow_forwardHow many molecules of ATP are obtained from the β-oxidation of one molecule of a 16-carbon saturated fatty acyl-CoA?arrow_forwardIn order to provide the acetyl-CoA molecules to produce 3 equivalents of palmitic acid, how many glucose molecules would be required?arrow_forward
- Oxygen is not a reactant in the β oxidation of fatty acids. Can β oxidation occur under anaerobic conditions? Explain.arrow_forwardCompare the regulation of phosphofuctokinase-1 (PFK- 1) activity and fructose 1,6- bisphosphatase in glycolysis. c) In the B-oxidation of a saturated, even chain fatty acid, four basic steps are involved. Describe these reactions using the degradation of palmitic acid as an example. d) e) Compare the steps involved in the formation of ketone bodies.arrow_forwardOn these following choices, Malonyl CoA synthase, Malonyl CoA synthetase, Acetyl CoA carboxylase and Acetyl CoA decarboxylase, what is the correct answer in fatty acid synthesis?arrow_forward
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