MICROBIOLOGY-MASTERING MICRO.-ACCESS
11th Edition
ISBN: 9780321802705
Author: Tortora
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 9R
Why must NADH be reoxidized? How does this happen in an organism that uses respiration? Fermentation?
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Why must NADH be reoxidized? How does this happen in an organism that uses respiration? Fermentation?
What is the purpose of respiration? What are the inputs, products, and energy required or gained? How does it differ from fermentation? in other words, how do Glycolysis, Pyruvate dehydrogenase, Kreb cycle, and electron transport chain work and connect to the production of ATP by chemiosmosis? compare that to fermentation.
NADH and NADPH are both reducing agents and involved in metabolism. How do they differ aside from the fact that NADPH has phosphorous in it?
Chapter 5 Solutions
MICROBIOLOGY-MASTERING MICRO.-ACCESS
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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- What do the electrons added to NAD do? a. They become part of a fermentation pathway. b. They go to another pathway for ATP production. c. They energize the entry of the acetyl group into the citric acid cycle. d. They are converted into NADP.arrow_forwardWhen oxygen is unavailable, some cells use anaerobic (fermentation) pathways to make ATP. Another textbook says regarding fermentation: "The final steps serve only to regenerate NAD+." What does this statement mean? Explain using examples of specific fermentation pathways.arrow_forwardIndicate whether the statement is true for aerobic respiration, photosynthesis or both: NADH is oxidized to NAD+ at complex I a)Aerobic Respiration b)Photosynthesis c)Botharrow_forward
- We know that atmospheric oxygen (O2) can be a final electron acceptor at the end of the electron transport chain in aerobic respiration. Name 2 other inorganic molecules that can be final electron acceptors at the end of the electron transport chain in anaerobic respiration. Name 1 organic molecule that can be a final electron acceptor in fermentation.arrow_forwardUnder what conditions might your cells shift from aerobic respiration to fermentation? In what habitats might an organism rely solely on fermentation?arrow_forwardHow does the difference between NADH and NADPH affect the reactions in which they are involvedd?arrow_forward
- Where is the first NADH molecule produced in cellular respiration? options: Conversion of pyruvate to acetyl coenzyme A Conversion of acetyl coenzyme A to pyruvate Reduction of oxygen to water In the cytoplasmarrow_forwardHow does fermentation differ from respiration in the generation of ATP and the final electron acceptors?arrow_forwardoxidation of NADH by nitrate produces 5 ATP, by H2S is 2 ATP, by O2 is 3 ATP. Why oxidation of NADH by nitrate could produce more ATP, whereas by H2S is less.arrow_forward
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