Campbell Biology: Australian And New Zealand Edition
11th Edition
ISBN: 9781488613715
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Publisher: Pearson Education Australia
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Chapter 8, Problem 8.5CR
Summary Introduction
To determine: The role of feedback inhibition and allosteric regulation in a cells
Concept introduction: There would be occurrence of chemical chaos (disorder), if the metabolic pathway of a cell operates simultaneously, so they are operated distinctly. The cell possess an ability to regulate the pathways (metabolic) by controlling the activity of various enzymes. This is done by switching off or on the gene, which encodes for particular enzymes. Allosteric regulation and feedback inhibition are those mechanisms.
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Chapter 8 Solutions
Campbell Biology: Australian And New Zealand Edition
Ch. 8.1 - MAKE CONNECTIONS How does the second law of...Ch. 8.1 - Describe the forms of energy found in an apple as...Ch. 8.1 - WHAT IF? If you place a teaspoon of sugar in the...Ch. 8.2 - Cellular respiration uses glucose and oxygen,...Ch. 8.2 - VISUAL SKILLS How would the processes of...Ch. 8.2 - WHAT IF? Some nighttime partygoers wear glow-in-...Ch. 8.3 - How does ATP typically transfer energy from an...Ch. 8.3 - Prob. 2CCCh. 8.3 - MAKE CONNECTIONS Does Figure 8.11a show passive...Ch. 8.4 - Many spontaneous reactions occur very slowly. Why...
Ch. 8.4 - Prob. 2CCCh. 8.4 - WHAT IF? Malonate is an inhibitor of the enzyme...Ch. 8.4 - Prob. 4CCCh. 8.5 - How do an activator and an inhibitor have...Ch. 8.5 - Prob. 2CCCh. 8 - Explain how the highly ordered structure of a cell...Ch. 8 - Explain the meaning of each component in the...Ch. 8 - Describe the ATP cycle: How is ATP used and...Ch. 8 - How do both activation energy barriers and enzymes...Ch. 8 - Prob. 8.5CRCh. 8 - Choose the pair of terms that correctly completes...Ch. 8 - Prob. 2TYUCh. 8 - Which of the following metabolic processes can...Ch. 8 - Prob. 4TYUCh. 8 - Some bacteria art metabolically active in hot...Ch. 8 - If an enzyme is added to a solution where its...Ch. 8 - Prob. 7TYUCh. 8 - EVOLUTION CONNECTION Some people argue that...Ch. 8 - Prob. 9TYUCh. 8 - WRITE ABOUT A THEME: ENERGY AND MATTER Life...Ch. 8 - Prob. 11TYU
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- Why is feedback inhibition important in the metabolic pathways?arrow_forwardWhat are metabolic pathways catalyzed by? What are metabolic pathways determined by?arrow_forwardWhy is the enzyme-catalyzed introduction of carbon–carbon double bonds into fatty acids called an electron transport system?arrow_forward
- Why is reciprocal regulation a key feature of glucose metabolism?arrow_forwardwhy is cellular respiration catabolic, exergonic, and have a negative change in free energy?arrow_forwardWhy does a phosphorylation/dephosphorylation system allow more sensitive regulation of a metabolic process than a simple allosteric system?arrow_forward
- What roles do allosteric regulation and feedback inhibition play in themetabolism of a cell?arrow_forwardhow many water molecules are needed for the krebs cycle to completely metabolize one molecule of glucose?arrow_forwardWhy is the regulation of metabolism through the control of enzymeactivity an extremely complex process?arrow_forward
- How many ATP will be produced in an oxidative level phosphorylation of a molecule of glucose in a eukaryotic cell?arrow_forwardWhat are the three kinds of enzyme-controlled reactions so that the chemical-bond energy from a certain nutrient is released to the cell in the form of ATP?arrow_forwardWhat type of enzyme regulation is the most readily (quickly) reversible?arrow_forward
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