Human Anatomy & Physiology (2nd Edition)
2nd Edition
ISBN: 9780134553511
Author: Erin C. Amerman
Publisher: PEARSON
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Chapter 23.2, Problem 1QC
How do substrate-level phosphorylation and oxidative phosphorylation differ?
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How does substrate-level phosphorylation differ from phosphorylation linked to the electron transport chain?
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What would be the effect on ATP production during chemiosmosis and oxidative phorphorylation, if the pH within the inner membrane space of the mitochondrion were decreased, assuming no effect of pH on the structure of proteins in the membrane?
a) it would increase
b) it would decrease
c)it would stay the same
Chapter 23 Solutions
Human Anatomy & Physiology (2nd Edition)
Ch. 23.1 - 1. How do catabolism and anabolism differ?
Ch. 23.1 - Prob. 2QCCh. 23.1 - 3. How do endergonic and exergonic reactions...Ch. 23.1 - Why are endergonic and exergonic reactions...Ch. 23.1 - Prob. 5QCCh. 23.1 - How does ATP fuel cellular processes?Ch. 23.1 - 7. In an oxidation-reduction reaction, what...Ch. 23.1 - 8. What is electron affinity? Do electrons flow...Ch. 23.1 - What is the electromotive force?Ch. 23.2 - How do substrate-level phosphorylation and...
Ch. 23.2 - What is glycolytic catabolism? Why is it also...Ch. 23.2 - Prob. 3QCCh. 23.2 - Prob. 4QCCh. 23.2 - Prob. 5QCCh. 23.2 - 6. Why is it important to regenerate NAD+ under...Ch. 23.2 - 7. What products are generated by the citric acid...Ch. 23.2 - Prob. 8QCCh. 23.2 - What is the potential energy in the bonds of...Ch. 23.3 - Prob. 1QCCh. 23.3 - Prob. 2QCCh. 23.3 - Prob. 3QCCh. 23.3 - Prob. 4QCCh. 23.3 - Why must the body eliminate the ammonia that...Ch. 23.4 - 1. How is glucose stored in the body?
Ch. 23.4 - Prob. 2QCCh. 23.4 - Prob. 3QCCh. 23.4 - Prob. 4QCCh. 23.4 - How are nonlipids converted into fats?Ch. 23.4 - Prob. 6QCCh. 23.4 - Prob. 7QCCh. 23.5 - 1. Why does anabolism dominate in the absorptive...Ch. 23.5 - Prob. 2QCCh. 23.5 - Prob. 3QCCh. 23.5 - Prob. 4QCCh. 23.5 - Prob. 5QCCh. 23.5 - 6. How do the actions of leptin differ from those...Ch. 23.6 - Prob. 1QCCh. 23.6 - Prob. 2QCCh. 23.6 - Prob. 3QCCh. 23.6 - Prob. 4QCCh. 23.6 - Prob. 5QCCh. 23.6 - Prob. 6QCCh. 23.6 - Prob. 7QCCh. 23.6 - Prob. 8QCCh. 23.7 - Prob. 1QCCh. 23.7 - Prob. 2QCCh. 23.7 - Prob. 3QCCh. 23.7 - Prob. 4QCCh. 23.7 - Prob. 5QCCh. 23.7 - Prob. 6QCCh. 23.7 - Prob. 7QCCh. 23.7 - Why is HDL considered good cholesterol, whereas...Ch. 23.7 - Prob. 9QCCh. 23.7 - Prob. 10QCCh. 23.7 - Prob. 11QCCh. 23 - Which of the following statements is false? a....Ch. 23 - Prob. 2CYRCh. 23 - Fill in the blanks: A/an ________reaction releases...Ch. 23 - Mark the following statements as true or false. If...Ch. 23 - Prob. 5CYRCh. 23 - Place the following events of glucose catabolism...Ch. 23 - Which of the following statements is false? a....Ch. 23 - Prob. 8CYRCh. 23 - Prob. 9CYRCh. 23 - Prob. 10CYRCh. 23 - Prob. 11CYRCh. 23 - Prob. 12CYRCh. 23 - Prob. 13CYRCh. 23 - Prob. 14CYRCh. 23 - Prob. 15CYRCh. 23 - Prob. 16CYRCh. 23 - Prob. 17CYRCh. 23 - Prob. 18CYRCh. 23 - Prob. 19CYRCh. 23 - 20. Which of the following statements is false?
a....Ch. 23 - Prob. 21CYRCh. 23 - Prob. 22CYRCh. 23 - Prob. 1CYUCh. 23 - Prob. 2CYUCh. 23 - Prob. 3CYUCh. 23 - Prob. 4CYUCh. 23 - People with extremely restricted caloric intake...Ch. 23 - Prob. 1AYKACh. 23 - Prob. 2AYKACh. 23 - 3. Certain dietary supplements for weight loss...Ch. 23 - Prob. 4AYKBCh. 23 - Prob. 5AYKB
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- During which steps in the cells’ harvesting of chemical energy do substrate level phosphorylation and oxidative phosphorylation occur?arrow_forwardDefine the term substrate-level phosphorylation:How does it differ from oxidative phosphorylation?What compound(s) do fermentative bacteria need tosynthesize in order to make ATP by substrate-levelphosphorylation?arrow_forwardWhich of the following is the best definition of oxidative phosphorylation? Question 4 options: A) Electrons are passed through a series of carriers to O2 B) A proton gradient allows hydrogen ions to flow back into the cells through transmembrane protein channels, releasing energy that is used to generate ATP C) ATP is directly transferred from a substrate to ADP D) Electrons are passed through a series of carriers to an organic compoundarrow_forward
- Give detailed Solution with explanation needed...don't use Ai for answering thisarrow_forwardWhat coenzymes are required for the ββ-oxidation pathway? A) NAD+ and FAD only B) NAD+ and CoASH only C) CoASH only D) FAD and CoASH only E) FAD, NAD+, and CoASHarrow_forwardHow does the proton motive force lead to production of ATP? A) ATPase requires one proton to make one ATP. B) Protons must be pumped against a concentration gradient from outside of the cell into the cell to rotate the F0 subunit of ATPase for the F1 subunit to make ATP. C) Oxidative phosphorylation of ADP by ATP synthase requires protons as cofactors in the reaction. D) Translocation of three to four protons drives the F0 component of ATPase, which in turn phosphorylates one ADP into ATP.arrow_forward
- Proton motive force refers to A) the movement of protons across a membrane due to a proton gradient. B) the flow of electrons through an electron transport chain. C) the action of ATPase enzyme. D) oxidative phosphorylation. E) the oxidation of NADH2 and FADH2.arrow_forwardWhich of the following statements about the malate-aspartate shuttle is false? a) 2.5 ATPs are formed per cytoplasmic NADH shuttled. b) Transamination is involved. c) Cytoplasmic oxaloacetate is converted to malate. d) Mitochondrial malate is converted to oxaloacetate. e) Antiport transport is not involved.arrow_forwardWhich effects the increased levels of hydrogen ions in the inter-membrane space of the mitochondria? a) Decreased levels of chemiosmosis b) Increased levels of water in inter-membrane space c) Increase ATP production d) Decreased levels of oxidative phosphorylationarrow_forward
- How Do Catabolism and Anabolism Differ? What are the features that generally distinguish pathways of catabolism from pathways of anabolism?arrow_forwardThe enzyme Phosphofructokinase (PFK) is a key regulator of glycolysis. A) Does ATP bind the PFK allosteric siteor the active site? B) Does high amount of ATP in the cell activate or inhibit PFK? Why? C)What do you suppose happens to glucose if glycolysis is inhibited in the cell?arrow_forwardWhich of the following is the prosthetic group of NADH dehydrogenase? a) FAD b) FMN c) NADH d) NADPHarrow_forward
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