Microbiology: An Introduction
11th Edition
ISBN: 9780321733603
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: Benjamin Cummings
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Textbook Question
Chapter 5, Problem 6R
All of the energy-producing biochemical reactions that occur in cells, such as photophosphorylation and glycolysis, are _____ reactions.
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Chapter 5 Solutions
Microbiology: An Introduction
Ch. 5 - Prob. 1RCh. 5 - DRAW ITUsing the diagrams below, show each of the...Ch. 5 - DRAW IT An enzyme and substrate are combined. The...Ch. 5 - Define oxidation-reduction, and differentiate the...Ch. 5 - There are three mechanisms for the phosphorylation...Ch. 5 - All of the energy-producing biochemical reactions...Ch. 5 - Fill in the following table with the carbon source...Ch. 5 - Write your own definition of the chemiosmotic...Ch. 5 - Why must NADH be reoxidized? How does this happen...Ch. 5 - NAME IT What nutritional type is a colorless...
Ch. 5 - Explain why, even under ideal conditions,...Ch. 5 - The following graph shows the normal rate of...Ch. 5 - Compare and contrast carbohydrate catabolism and...Ch. 5 - How much ATP could be obtained from the complete...Ch. 5 - The chemoautotroph Acidithiobacillus can obtain...Ch. 5 - Which substance in the following reaction is being...Ch. 5 - Which of the following reactions produces the most...Ch. 5 - Prob. 3MCQCh. 5 - Which of the following compounds has the greatest...Ch. 5 - Prob. 5MCQCh. 5 - Prob. 6MCQCh. 5 - Which culture produces the most lactic acid? Use...Ch. 5 - Which culture produces the most ATP? Use the...Ch. 5 - Which culture uses NAD+? Use the following choices...Ch. 5 - Which culture uses the most glucose? Use the...Ch. 5 - Haemophilus influenzae requires hemin (X factor)...Ch. 5 - The drug Hivid, also called ddC, inhibits DNA...Ch. 5 - The bacterial enzyme streptokinase is used to...
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- The breakdown of large molecules by the enzymatic addition of water is an example of a(n) _____ reaction?arrow_forwardA metabolic reaction requires an exergonic reaction to provide energy for an energonic reaction. A True Falsearrow_forwardThe final electron acceptor of electron transport chains in mitochondria is __________.arrow_forward
- The ____ sites of an enzyme can be used to regulate enzyme activity within a cell, and thereby control their metabolism.arrow_forwardFor each of the statements below about the dUTPase enzyme, mark whether it is true or false. If it is false, change the language to make the statement true. _______If the dUTPase enzyme is the rate determining step in a larger metabolic pathway, the reaction likely lies near to equilibrium and is irreversible. _______For the dUTPase reaction, it is not likely that DG’ = DG°’ _______ dUTPase has a higher affinity for its substrate than for its product, but both of these are higher than the affinity for the transition state _______Kinetic analysis of dUTPase using Michaelis-Menten methods assumes that the formation of the E*S complex has a large negative value for DGarrow_forwardModels such as the one shown in the illustration below are often used to represent the electron transport chain. Explain why this model is well-suited to this concept. Explain why metabolic processes such as cellular respiration and photosynthesis require a multi-stage release of energy, rather than a one-step reactionarrow_forward
- How can we tell if the enzyme has been denatured by a particular temperature treatment.arrow_forwardPart A: Say that a cell is running a metabolic pathway that follows the same pattern as the diagram and something happens that prevents enzyme 3 from reacting normally. Of the following options, which one is the end result of this interrupted metabolic pathway? Part B: for this reaction to be an example of feedback inhibition, the ____ would have to be blocking enzyme 3. Answer choices: • pH • Product • Salinityarrow_forwardCan you please pick the right answer in each parentheses? Glucose synthesis can derive carbons from a variety of sources including ["fatty acids", "glycerol"], ["cholesterol", "amino acids"], ["lactate", "NADH"], and ["oxidative phosphorylation", "carbon dioxide, photosynthesis"]arrow_forward
- The class of enzymes that cleaves most aromatic rings in biological systems is _____________. oxygenases lyases aminotransferases glutamate dehydrogenasesarrow_forwardThe role of an enzyme in an enzyme-catalyzed reaction is to make the reaction more thermodynamically favorable. True or Falsearrow_forwardBoth prokaryotic and eukaryotic organisms carry out some form of glycolysis. How does ha fact support or not support the assertion that glycolysis is one of the oldest metabolic pathways?arrow_forward
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