Prescott's Microbiology
11th Edition
ISBN: 9781260211887
Author: WILLEY, Sandman, Wood
Publisher: McGraw Hill
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Textbook Question
Chapter 11.5, Problem 1CC
Identify the substrate and products of the TCA cycle. Describe its organization in general terms. What are its major functions?
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Chapter 11 Solutions
Prescott's Microbiology
Ch. 11.1 - Prob. 1CCCh. 11.1 - Retrieve, Infer, Apply Compare...Ch. 11.1 - Retrieve, Infer, Apply What are the three major...Ch. 11.2 - Is NAD+ reduced to NADH in the catabolic or...Ch. 11.2 - Prob. 1CCCh. 11.2 - Why is it to a cells advantage to catabolize...Ch. 11.2 - Prob. 3CCCh. 11.4 - Which reactions are examples of substrate-level...Ch. 11.4 - For what kinds of reactions is NADPH used?Ch. 11.4 - For what macromolecule is ribose 5-phosphate a...
Ch. 11.4 - Summarize the major features of the...Ch. 11.4 - Prob. 2CCCh. 11.5 - Identify the substrate and products of the TCA...Ch. 11.5 - What chemical intermediate links pyruvate to the...Ch. 11.5 - Prob. 3CCCh. 11.5 - Retrieve, Infer, Apply In what eukaryotic...Ch. 11.5 - Why is it desirable for a microbe with the...Ch. 11.6 - Prob. 1MICh. 11.6 - Prob. 2MICh. 11.6 - Describe the current model of oxidative...Ch. 11.6 - Prob. 3CCCh. 11.6 - Prob. 4CCCh. 11.7 - Prob. 1CCCh. 11.7 - Prob. 2CCCh. 11.7 - Prob. 3CCCh. 11.8 - Prob. 1MICh. 11.8 - Prob. 1CCCh. 11.8 - Prob. 2CCCh. 11.8 - Prob. 3CCCh. 11.8 - Prob. 4CCCh. 11.8 - Prob. 5CCCh. 11.9 - What is the difference between a hydrolase and...Ch. 11.9 - Prob. 2MICh. 11.9 - Retrieve, Infer, Apply Briefly discuss the ways in...Ch. 11.9 - Prob. 2CCCh. 11.9 - Retrieve, Infer, Apply Describe how a...Ch. 11.11 - How do chemolithotrophs obtain their ATP and...Ch. 11.11 - Prob. 2CCCh. 11.11 - Why can hydrogen-oxidizing bacteria and archaea...Ch. 11.11 - What is reverse electron flow and why do many...Ch. 11.11 - Prob. 5CCCh. 11.12 - When electrons from P700 are used to reduce NADP+,...Ch. 11.12 - Define the following terms: light reactions, dark...Ch. 11.12 - Prob. 2CCCh. 11.12 - What is the function of accessory pigments?Ch. 11.12 - Prob. 4CCCh. 11.12 - Compare and contrast anoxygenic phototrophy and...Ch. 11.12 - Prob. 6CCCh. 11 - Prob. 1RCCh. 11 - Prob. 2RCCh. 11 - Prob. 3RCCh. 11 - Prob. 4RCCh. 11 - Prob. 5RCCh. 11 - Prob. 6RCCh. 11 - How would you isolate a thermophilic...Ch. 11 - Certain chemicals block ATP synthesis by allowing...Ch. 11 - Prob. 3ALCh. 11 - Review the description of the Berkeley Pit Lake in...Ch. 11 - Prob. 5AL
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- Name two conditions in which the enzymes involved in the TCA cycle might be inhibited.arrow_forwardState the function and desired products of the hexose monophosphate shunt pathway.arrow_forwardComplete the paragraph describing the fate of glutamate, labeled at the Cγ position with 14C, once it has been introduced to the TCA cycle. In the second round (A.) 50%,B.) 25%, C.)or NONE of the label is lost) , however, in each subsequent cycle (25%,50%, or NONE of the label is lost). This occurs becuase at the end of the second round the label is (A.)Equally dsitributed among all carbons B.) part of the carboxylate group C.) Positioned on the erminal Carbon) of oxaloacetate and each cycle (A.) releases a carbon B.) Releases two carbons C.) adds a carbon) from oxaloacetate.arrow_forward
- Referring to figure 5 and 8 which substrate molecule serves as the phosphate donor during substrate-level phosphorylation in step 10 of glycosis and the succinyl CoA-succinate step of the Krebs Cycle?arrow_forwardThe steps of the chymotrypsin mechanisms are listed below (1-7). Put the steps of chymotrypsin mechanism in the correct order. Figure representing chymotrypsin mechanism is given for reference. a.The portion (N-terminal end) of original substrate with the new C terminus diffuses away b. Substrate binding c. His 57 catalyzes removal of H from Ser 195 hydroxyl; Ser 195’s nucleophilic O attacks carbonyl C of substrate; tetrahedral intermediate is formed d. Water binding; water is deprotonated by His 57; resulting OH nucleophilically attacks carbonyl of remaining substrate; tetrahedral intermediate is formed e. His 57 donates H to N of…arrow_forwardSome are unable to taste thiourea and PTC. DNA sequence results for these individuals show a normal predicted amino acid sequence for the TAS2R38 gene. Provide an explanation that can account for insensitivity to thiourea. (a) First assuming a mutation involving the TAS2R38 gene (b) Then assuming a mutation in a gene other than TAS2R38arrow_forward
- Why are there reversible steps in the glycolytic pathway? Explain why they all be could not be irreversible?arrow_forwardIdentify the two components of the nitrogenase complex and describe their specific tasks.arrow_forwardDiagram the connections between the various glycolytic pathways and the TCA cyclearrow_forward
- a) Based on the mechanism shown in Figure 2A, what type of enzyme is transpeptidase? : Lyase Isomerase Ligase Hydrolase Oxidoreductase Transferase b) Transpeptidases have two substrates. From Figure 2A, what type of mechanism do they most likely adopt in processing the two substrates? sequential or ping-pong c) β-lactams inactivate transpeptidases by forming a covalent bond with the serine residue in the active site. Based on this description and Figure 2B caption, what type of inhibitor are β-lactams? _________________________________________ d) Based on the mechanism for lactamase shown in Figure 3, what type of enzyme is lactamase? Lyase Isomerase Ligase Hydrolase Oxidoreductase Transferase e) Based on your answer in d, what other reactant, in addition to the antibiotic substrate, needs to be in the active site of lactamase for the hydrolysis reaction to proceed? ____________________arrow_forwardIn acute lymphoblastic leukemia, the cancerous white blood cells typically lack the enzyme asparagine synthetase. Why is the administration of asparaginase an eff ective therapy for this type of cancer?arrow_forwardIn the: Presence of competitive inhibitors of peptidyl transferase. Explain: (a) What is the process affected? (b) What is the Effect on the process? (c) Does it affect prokaryotes, eukaryotes or both?arrow_forward
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