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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If a fatty acid containing 13 carbons is subjected to Beta oxidation, how many molecules of Acetyl CoA can be produced?
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.
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?
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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- How many acetyl-CoA molecules can be produced from a 20-carbon chain free fatty acid?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
- D) 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_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_forwardOxygen is not a reactant in the β oxidation of fatty acids. Can β oxidation occur under anaerobic conditions? Explain.arrow_forward
- Why would glutamate utilize the oxidative deamination pathway over transamination – especially if removal of NH4+ requires ATP? Would it not be favorable for the body to just use transamination?arrow_forwardwhat product comes from beta oxidation of oddnumbered fatty acids and is converted to succinyl coa?arrow_forwardPropose a mechanism for the following reaction:arrow_forward
- Although glucose cannot be formed from acetyl-CoA, triglycerides can enter the glycolytic pathway via which process? O Acetyl-CoA → oxaloacetate → phosphoenolpyruvate O Palmitoyl-CoAB- ketoacyl-CoA → a-ketoglutarate O Glycerol → DHAP Acyl-CoA glucosearrow_forwardConsider the steps of the krebs cycle and electron carrier chain and answer: a) How many ATPs are produced from 10 Pyruvato molecules? b) How many ATPs are produced from 12 Acetyl CoA molecules?arrow_forwardWhat enzyme is inhibited by Acetyl-CoA carboxylase? a)Acetyl-CoA carboxylase b)Citrate lyase c)E3 ubiquitin ligase d)Carnitine acyltransferase Iarrow_forward
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