Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 9, Problem 16TYU
SYNTHESIZE YOUR KNOWLEDGE
Coenzyme Q (CoQ) is sold as a nutritional supplement. One company uses this marketing slogan for CoQ: "Give your heart the fuel it craves most.” Considering the role of coenzyme Q, critique this claim. How do you think this product might function to benefit the heart? Is CoQ used as a "fuel" during
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Coenzyme Q (CoQ) is sold as a nutritionalsupplement. One company uses this marketing slogan for CoQ: “Give your heart thefuel it craves most.” Considering the role ofcoenzyme Q, critique this claim. How do youthink this product might function to benefitthe heart? Is CoQ used as a “fuel” during cellular respiration?
The figure above depicts the biochemical pathway involving synthesis of cholesterol. Excess precursors, like acetyl CoA, could lead to overproduction of cholesterol. Once there is an excessive production of cholesterol, certain cardiovascular risks could amplify.
In the management of excess cholesterol production, do you think that targeting this pathway would provide a clinical value? Why, or why not?
Which of the following DOES NOT describe Cellular Respiration? *
a. It provides cells with the energy they need to function.
b. Cellular respiration is essential to both eukaryotic and prokaryotic cells because
this biochemical energy is produced to fuel many metabolic processes, such as
biosynthesis, locomotion, and transportation of molecules across membranes
c. Without the process of cellular respiration, there is no gaseous exchange and the
cells, tissue and other organs die due to the lack of oxygen and by the accumulation
of carbon dioxide within the cells and tissues.
d. Cellular respiration is a type of passive cell transport. Molecules move from areas
O of high concentration to areas of low concentration in order to decrease the
concentration gradient
Chapter 9 Solutions
Campbell Biology
Ch. 9.1 - Compare and contrast aerobic and anaerobic...Ch. 9.1 - WHAT IF? If the following redox reaction...Ch. 9.2 - Prob. 1CCCh. 9.3 - Prob. 1CCCh. 9.3 - What process in your cells produce the CO2 that...Ch. 9.3 - Prob. 3CCCh. 9.4 - Prob. 1CCCh. 9.4 - WHAT IF? In the absence of O2 as in question 1,...Ch. 9.4 - MAKE CONNECTIONS Membranes must be fluid to...Ch. 9.5 - Consider the NADH formed during glycolysis. What...
Ch. 9.5 - WHAT IF? A glucose-fed yeast cell is moved from...Ch. 9.6 - MAKE CONNECTIONS Compare the structure of a fat...Ch. 9.6 - Prob. 2CCCh. 9.6 - Prob. 3CCCh. 9.6 - Prob. 4CCCh. 9 - Describe the difference between the two processes...Ch. 9 - Which reactions in glycolysis are the source of...Ch. 9 - What molecular products indicate the complete...Ch. 9 - Briefly explain the mechanism by which ATP...Ch. 9 - Prob. 9.5CRCh. 9 - Prob. 9.6CRCh. 9 - Level 1: Knowledge/Comprehension 1. The immediate...Ch. 9 - Prob. 2TYUCh. 9 - Prob. 3TYUCh. 9 - Prob. 4TYUCh. 9 - What is the oxidizing agent in the following...Ch. 9 - When electrons flow along the electron transport...Ch. 9 - Prob. 7TYUCh. 9 - Prob. 8TYUCh. 9 - Prob. 9TYUCh. 9 - Prob. 10TYUCh. 9 - INTERPRET THE DATA Phosphofructokinase is an...Ch. 9 - DRAW IT The graph here shows the pH difference...Ch. 9 - EVOLUTION CONNECTION AIP synthases are found in...Ch. 9 - SCIENTIFIC INQUIRY In the 1930s, some physicians...Ch. 9 - WRITE ABOUT A THEME: ORGANIZATION In a short essay...Ch. 9 - SYNTHESIZE YOUR KNOWLEDGE Coenzyme Q (CoQ) is sold...
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- Based on what you have learned about metabolic regulation, how might fructose- 1,6-bisphosphate and/or glucose-6-phosphate modulate respiration? Design an experiment to test your idea. Edit View Insert Format Tools Table Paragraph v O wordsarrow_forwardA new energy drink in stores contains no sugar, carbs or fat. It does, however, contain relatively high concentrations of B-vitamins (B-3, B-5, B-6, and B-12) which our digestive system does not break down. If our useable energy (ATP) is supplied by cellular respiration, where would the energy this products claims to provide come from?arrow_forwardIn 2012, an Illinois man was killed by cyanide poisoning after he won a million dollars in the lottery. Cyanide is a lethal poison because it interferes with the electron transport chain in mitochondria. What effect would cyanide have on cellular respiration? (a) Glycolysis, the Krebs cycle, and oxidative phosphorylation would all be inhibited. (b) The Krebs cycle would be inhibited, but oxidative phosphorylation would not. (c) Oxidative phosphorylation would be inhibited. (d) Glycolysis, the Krebs cycle, and oxidative phosphorylation would all be stimulated.arrow_forward
- You are studying energy production and metabolic activities of prostate cancer cells in the lab. You compare energy metabolism in these cancer cells with normal cells. Which of the following would you observe? Select all that apply Oxidative phosphorylation is reduced in cancer cells compared to normal cells Glycolysis is reduced in cancer cells compared to normal cells Oxidative phosphorylation is enhanced in cancer cells compared to normal cells Glycolysis is enhanced in cancer cells compared to normal cellsarrow_forwardC6H1206 is oxidized and 02 is reduced. QUESTION 17 Cellular respiration is composed of several different stages. a) Name the different stages. b) What is the purpose of each stage to cellular respiration c) What comes in and what comes out of each stage? TTTT Paragraph 3 (12pt) 只i公 Arial T T HTML CSS O fx Mashups Save All A Click Save and Submit to save and submit. Click Save All Answers to save all answers. MacBook Pro 向 IIarrow_forwardWhere in cellular respiration does feedback inhibition occur? Describe all. (Hint:think about glycolysis, pyruvate processing, and electron transport chain and what's being inhibited in each) What would happen if this feedback inhibition were removed?arrow_forward
- I have a project to construct a poster with the pathways that we have discussed in class which include glycolysis to beta-oxidation of fatty acids that are depicted inside a cell. I need to include reactions that are regulated, ones that produce or consume energy, and those at branch points between pathways. I also need a list of regulated enzymes and what regulates them. I also need to include intracellular membranes and locate reactions in the appropriate subcellular location. I can only include each metabolite once per subcellular location and include transporters. Any information that can be given to me on the different pathways and reactions would be helpful. I am at a loss and could use some help figuriong out what to put on my project. Thank youarrow_forwardEnergy production pathway is targeted by drugs in the malignent cancerous cells to control an x cancer type. Use your speculation and tell targeting and destroying which one energy producing agent of the oxidative phosphorylation will be most effected in blocking most of the energy production and why?arrow_forwardYour body produces lactic acid under anaerobic conditions. What is the purpose of your body producing lactic acid? Select one: a. Lactic acid serves no purpose other than to regulate NAD+. b. Lactic acid combines with co-enzyme A, and then enters the citric acid cycle once O2 becomes available. c. The purpose of Lactic acid is the increase acidity in your blood. d. Lactic acid is utilized as a fuel source by our muscles.arrow_forward
- metabolize aerobically and anaerobically. refers to pathways that take place in the presence of oxygen. refers to pathways that are the exact opposite, and occur without the use of oxygen. aerobic and anaerobic, to meet demand during different intensities and durations of exercise. .. a high-energy molecule stored in muscle cells, transfers its high-energy phosphate group to to form ATP. is available, several major metabolic pathways take place and together these steps are called This pathway generates a amount of ATP. the production of a amount of ATP from glucose occurs and this There are three different energy pathways, muscles' The next two pathways involve the carbohydrate If If oxygen is process is called TROUSEarrow_forwardIn this chapter you learned that cellular respiration is a lengthy metabolic pathway that consists of 4 distinct phases, beginning with glucose and ending with 36 ATP molecules. The diagram below illustrates how certain compounds from the breakdown of all nutrients (proteins, carbohydrates, and fats) can be converted into intermediates in głycolysis and the Kreb's Cycle and how they can enter and leave at many different stages of these pathways. Use the lettered items below to corredly identify the numbered items (106 to 115) in the diagram. Record your responses onto the Google Form. food stage 1: a. proteins breakdown of large macro- molecules to simple subunits 106 107 108 b. co2 109 110 fatty acids and glycerol с. lipids stage 2: 111 breakdown of simple subunits to acetyl CoA accompanied by production of limited ATP and NADH d. Kreb Cycle pyruvate simple sugars g. glucose 112 f. ATP 113 02 g. stage 3: complete oxida tion of acetyl COA to H0 and coz involves production of much NADH,…arrow_forwardUse this analogy "A car uses gasoline, which is broken down into energy that propels it forward" to explain the events of the Krebs Cycle and the Electron Transport Chain. It's important to break down every single reaction present in cellular respiration.arrow_forward
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