Prescott's Microbiology
10th Edition
ISBN: 9781259281594
Author: Joanne Willey, Linda Sherwood Adjunt Professor Lecturer, Christopher J. Woolverton Professor
Publisher: McGraw-Hill Education
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Question
Chapter 11.6, Problem 3RIA
Summary Introduction
The ETC has complex strategies in transporting the electron in the mitochondrion of the eukaryotes and plasma membrane of the bacteria and archaea. During the requirement of the energy, one electron is lost and the ETC donates electrons to the complex where it loses electrons. The complexes that accept electron reduces, while the complexes that donates electron oxidized. Likewise, there is a constant donation and acceptance of electrons through ETC that is essential to produce cells with energy requirement.
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Q1: What is the significance of a large positive ΔG between a substrate and its ES complex and a small ΔG?
Q2: What is the significance of a large negative ΔG between a substrate and its Products compared to a small ΔG?
Vmax for an enzyme-catalyzed reaction:
A)
generally increases when pH increases.
B)
is limited only by the amount of substrate supplied.
C)
is twice the rate observed when the concentration of substrate is equal to the Km.
D)
is unchanged in the presence of a uncompetitive inhibitor.
E)
increases in the presence of a competitive inhibitor.
Q: part c
This is related to biochemical engineering subject
Chapter 11 Solutions
Prescott's Microbiology
Ch. 11.1 - Retrieve, Infer, Apply Discuss the ways in which...Ch. 11.1 - Describe the nutritional requirements of the major...Ch. 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. 1RIACh. 11.2 - Why is it to a cells advantage to catabolize...Ch. 11.2 - Prob. 3RIACh. 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. 2RIACh. 11.5 - Identify the substrate and products of the TCA...Ch. 11.5 - What chemical intermediate links pyruvate to the...Ch. 11.5 - Prob. 3RIACh. 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 - Prob. 1RIACh. 11.6 - Describe the current model of oxidative...Ch. 11.6 - Prob. 3RIACh. 11.6 - Prob. 4RIACh. 11.7 - Prob. 1RIACh. 11.7 - Prob. 2RIACh. 11.7 - Prob. 3RIACh. 11.8 - Prob. 1MICh. 11.8 - Prob. 1RIACh. 11.8 - Prob. 2RIACh. 11.8 - Briefly describe alcoholic, lactic acid, mixed...Ch. 11.8 - Prob. 4RIACh. 11.8 - Prob. 5RIACh. 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. 2RIACh. 11.9 - Retrieve, Infer, Apply Describe how a...Ch. 11.10 - How do chemolithotrophs obtain their ATP and...Ch. 11.10 - Prob. 2RIACh. 11.10 - Why can hydrogen-oxidizing bacteria and archaea...Ch. 11.10 - What is reverse electron flow and why do many...Ch. 11.10 - Arsenate is a compound that inhibits...Ch. 11.11 - When electrons from P700 are used to reduce NADP+,...Ch. 11.11 - Define the following terms: light reactions, dark...Ch. 11.11 - Prob. 2RIACh. 11.11 - What is the function of accessory pigments?Ch. 11.11 - Prob. 4RIACh. 11.11 - Compare and contrast anoxygenic phototrophy and...Ch. 11.11 - Prob. 6RIACh. 11 - Without looking in chapters 21 and 22, predict...Ch. 11 - From an evolutionary perspective, discuss why most...Ch. 11 - How would you isolate a thermophilic...Ch. 11 - Certain chemicals block ATP synthesis by allowing...Ch. 11 - Prob. 5CHICh. 11 - A cyanobacterium having photosystem I but not...Ch. 11 - Review the description of the Berkeley Pit Lake in...Ch. 11 - The archaeon Metallosphaera sedula is of great...Ch. 11 - Nitrite-oxidizing bacteria have been thought to be...
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Similar questions
- Let’s consider vmax. Recall that uncompetitive inhibitors bind to the enzyme only after thesubstate is bound.a) As the concentration of substrate increases, the fraction of enzyme bound to substrate (circleone) increases / decreases?b) Does an uncompetitive inhibitor bind more readily when the substrate concentration is low orhigh?arrow_forwardWhere do each of these 5 main themes occur in the chymotrypsin mechanism? 1) substrate specificity 2) induced fit 3) covalent catalysis 4) acid/base catalysis 5) transition state stabilizationarrow_forwardBriefly, describe enzyme multiplicity and broad substrate selectivity for cytochrome P450.arrow_forward
- Vmax for an enzyme-catalyzed reaction: A)is twice the rate observed when the concentration of substrate is equal to Km. B)is unchanged in the presence of a noncompetitive inhibitor. C)generally increases when pH increases. D)increases in the presence of a competitive inhibitor. E)is limited only by the amount of substrate supplied.arrow_forwardBased on the kinetic constants below, which enzyme will most efficiently catalyze conversion of the substrate into product? A) Vmax = 10 uM s-1, KM = 10 µM B) Vmax = 10 uM s-1, KM = 0.01 µM C) Vmax = 1000 uM s-1, KM = 500 µM D) Vmax = 1 uM s-1, KM = 1 µM E) Vmax = 200 uM s-1, KM = 10 µMarrow_forwardAn enzyme with a Km of 3 X 10-4 M was tested at an initial substrate concentration of 10-5 M. In 1 minute, 5% of the substrate was found to be utilized. (a) What percentage of the substrate was utilized in 5 minutes? (b) If the initial substrate concentration had been 8 X 10-7 M, what percentage of the substrate would have been utilized in 5 minutes? (c) Vmax =? (d) How long would it take to utilize 50% of the substrate at 8 X 10-7 M? (e) How long would it take to utilize 75% of the substrate at 10-5 M?arrow_forward
- Give typed full explanation Consider the following equation: Nt = N0ert 1. What type of growth is modelled by this equation?arrow_forwardPlease asap with explanationarrow_forwardRecall that vmax is achieved only at high substrate concentrations. Do you predict that vmax will change when an uncompetitive inhibitor is introduced? Why or why not?arrow_forward
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