CAMPBELL BIOLOGY 101 TEXT W/ACCESS CARD
18th Edition
ISBN: 9781323741672
Author: Reece
Publisher: Pearson Custom Publishing
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Textbook Question
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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Question:-
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
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BIO168 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.
Focus on the interaction of ATP with the kinase first. Would you say ATP binds on the surface of the kinase or in a cleft?
What color are the phosphorus atoms?
What color are the Mn2+ ions?Which part of ATP do the Mn2+ ions interact with?
Chapter 9 Solutions
CAMPBELL BIOLOGY 101 TEXT W/ACCESS CARD
Ch. 9.1 - Compare and contrast aerobic and anaerobic...Ch. 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 - VISUAL SKILLS This Computer model shows the four...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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- Evaluate and Synthesize 9. INTERPRET DATA Examine Figure 40-13. Based on the summation of two stimuli shown in that graph, draw a curve showing summation when the muscle fiber is stimulated three times. Figure 40-13 Summation and tetanusarrow_forwardIf cardiac muscle cells were prevented from undergoing aerobic metabolism, they ultimately would ________. undergo glycolysis synthesize ATP stop contracting start contractingarrow_forwardRECALL Which reaction or reactions that we have met in this chapter require ATP? Which reaction or reactions produce ATP? List the enzymes that catalyze the reactions that require and that produce ATP.arrow_forward
- 1. a) Calculate the approximate net yield of ATP during the aerobic conversion of 2 glycerol to 1 glucose. Show workarrow_forwardCatabolism - draw the complete citric acid cylcle for myristatearrow_forwardBiology. Complete in 10 min please Plasma membranes in the cells of cold-blooded animals usually have a higher proportion of unsaturated fatty acids than homeothermic animals, why?.arrow_forward
- Topic : Connection between Electron Transport & Phosphorylation Task: 1. Define P/O ratio 2. Explain its importance State all the explanations in point formarrow_forwardQuestion:- Distinguish between two possible import mechanisms: biased diffusion and force‐generating motors.arrow_forwardIs aerobic respiration more or less efficient than glycolysis? Explain your answer.arrow_forward
- VISUAL SKILLS Looking at Figure 19.9, imagine youare a researcher trying to combat HIV infection. Whatmolecular processes could you attempt to block?arrow_forwardSteady state vs burst activity – why is aerobic better for steady state and anaerobic better for burstarrow_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
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