EBK CAMPBELL BIOLOGY
10th Edition
ISBN: 9780136539414
Author: Reece
Publisher: VST
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Chapter 9.6, Problem 4CC
VISUAL SKILLS Ø During intense exercise, can a muscle cell use fat as a concentrated source of chemical energy? Explain. (Review Figures 9.18 and 9.19.)
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Chapter 9 Solutions
EBK CAMPBELL BIOLOGY
Ch. 9.1 - Prob. 1CCCh. 9.1 - WHAT IF? If the following redox reaction...Ch. 9.2 - VISUAL SKILLS During the redox reaction in...Ch. 9.3 - Prob. 1CCCh. 9.3 - What process in your cells produce the CO2 that...Ch. 9.3 - VISUAL SKILLS The conversions shown in Figure...Ch. 9.4 - WHAT IF? What effect would an absence of O2 have...Ch. 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 - VISUAL SKILLS During intense exercise, can a...Ch. 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 - 3. The final electron acceptor of the electron...Ch. 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 - MAKE CONNECTIONS The proton pump shown in Figures...Ch. 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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- How would muscle contractions be affected if ATP was completely depleted in a muscle fiber?arrow_forwardBIO168 Human Anatomy & Physiology I Practice Worksheet B Sequence of muscle contraction Number the following statements in their proper sequence to describe the contraction mechanism in a skeletal muscle cell. _____ A. Acetylcholine is released into the neuromuscular junction by the axonal terminal. _____ B. The action potential, carried deep into the cell, causes the sarcoplasmic reticulum to release calcium ions. ____ C. The muscle cell relaxes and lengthens. _____ D. Acetylcholine diffuses across the neuromuscular junction and binds to receptors on the sarcolemma. ____ E. The calcium ion concentration at the myofilaments increases; the myofilaments slide past one another, and the cell shortens. _____ F. Depolarization occurs, and the action potential is generated. _____ G. As calcium is actively reabsorbed into the sarcoplasmic reticulum, its concentration at the myofilaments decreases.arrow_forwardReflect back on the Muscle Fatigue investigation we did earlier in this Activity. Choose one of your classmate’s interpretation to one of these questions: What happened to your energy & ability to pinch the clothespin as you progressed through each trial? Why? What might cause one to be able to get more squeezes, in other words, to have less fatigue? Explain in terms of biological concepts. Suggest how the amount of ATP produced cause your muscle cells to be less efficient. When did this change in the amount of ATP produced occur in this investigation? How could you tell? Your muscles would probably recover enough after 10 minutes to operate at the original efficiency. Explain why. Show how specific details from the steps of cellular respiration add details to answer this question.arrow_forward
- Muscle contraction experiment. What will happen if salt was added to a glycerinated skeletal muscle, then 0.25% ATP is added after.arrow_forwardQuestion:- Skeletal muscle tissue produces energy in a particular sequence using several separate mechanisms. Of the following options, which best represents the correct sequence? Answer: glycogen, direct phosphorylation, glycolysis, cellular respiration Is this the answer??arrow_forwardRat heart muscle operating aerobically fills more than 90% of its ATP needs by oxidative phosphorylation. If each gram of tissue consumes O2 at the rate of 12.0 micromol/min, with glucose as the fuel source. (a) Calculate the rate at which the heart muscle consumes glucose and produces ATP. (b) Consider an alternate scenario – what would be the rate of consumption if the energy source was a solely triglycerides whose fatty acyl chains were each 14-C in length and saturated? (Assume the O2 consumption rate remains at 12.0 micromol/min) (c) For a steady-state concentration of ATP of 6.0 micromol/g of heart muscle tissue, calculate the time required (in seconds) to completely turn over the cellular pool of ATP if glucose us used as the sole fuel source. What does this result indicate about the need for tight regulation of ATP production? (Note: Concentrations are expressed as micromoles per gram of muscle tissue because the tissue is mostly water.)arrow_forward
- Quickly please ??arrow_forwardThe muscles of a professional marathon runner are most likely to have ________. 80 percent fast-twitch muscle fibers and 20 percent slow-twitch muscle fibers 20 percent fast-twitch muscle fibers and 80 percent slow-twitch muscle fibers 50 percent fast-twitch muscle fibers and 50 percent slow-twitch muscle fibers 40 percent fast-twitch muscle fibers and 60 percent slow-twitch muscle fibersarrow_forwardA sprinter would experience muscle fatigue sooner than a marathon runner due to ________. anaerobic metabolism in the muscles of the splinter anaerobic metabolism in the muscles of the marathon runner aerobic metabolism in die muscles of the sprinter glycolysis in the muscles of the marathon runnerarrow_forward
- Compute for ATP production of lipid ( a glycerol and a 16-C fatty acid) Topic: Biochemistry (Lipid Metabolism)arrow_forward7B. Explain how muscles obtain energy for contraction (esp. in absence of O2). Be sure to discuss the 4 major methods muscles use to obtain energy during short, intense exercise.arrow_forwardQ3 Calculate the actual, physiological AG for the reaction Phosphocreatine Creatine NH--PO3 HN=c NCH,-CO0 NH2 NH=c. HNCH2- COO ČH3 Creatine ADP phosphokinase АТР At 37 °C, as it occurs in the cytosol of neurons, with phosphocreatine at 4.7 mM, creatine at 1.0 mM, ADP at 0.73 mM and ATP at 2.6 mM. HINT: AG° = 30.5 kJ/mol AG° = -43.0 kJ/mol ADP + Pi -> ATP + H,0 Phosphocreatine + H2O -> creatine + Piarrow_forward
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