Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 9SQ
Exercise scientists at an Olympic training want to monitor athletes to determine at what point their muscles are functioning anaerobically. They can do this by checking for a buildup of
- a. ADP.
- b. lactic acid.
- c. carbon dioxide.
- d. oxygen.
Expert Solution & Answer
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Which of the following statements correctly describes why white muscle fibers do not need is mini mitochondria as red muscle fibers?
a) want muscle fibers use anaerobic respiration which does not occur in the mitochondria
b) what muscle fibers use anaerobic respiration which requires more efficient mitochondria than aerobic respiration
c) white muscle fibers get more oxygen than the red muscle fibers
Oxygen in our blood is transported by a protein named:
A.
haemoglobin
B.
keratin
C.
collagen
D.
myoglobin
In anaerobic respiration, lactic acid is released into the blood from skeletal muscle. When oxygen is available, most of the lactic acid is converted back to pyruvic acid and glucose in the
A. liver.
B. skeletal muscle.
C. Heart.
D. lung.
Chapter 6 Solutions
Campbell Essential Biology (7th Edition)
Ch. 6 - Which of the following statements is a correct...Ch. 6 - Prob. 2SQCh. 6 - Prob. 3SQCh. 6 - Of the three stages of cellular respiration, which...Ch. 6 - The final electron acceptor of electron transport...Ch. 6 - Prob. 6SQCh. 6 - Prob. 7SQCh. 6 - Prob. 8SQCh. 6 - Exercise scientists at an Olympic training want to...Ch. 6 - Prob. 10SQ
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- ATP for muscle contraction can be provided by ______. a. aerobic respiration b. lactate fermentation c. transfer of a phosphate from creatine phosphate d. all of the abovearrow_forwardIn this experiment, the production of carbon dioxide was used to measure the rate of respiration. With your knowledge about respiration , what is another way to measure the rate of respiration? a. measure how much sugar is produced b. measure how much water is used c. measure how much oxygen is usedarrow_forwardWould the respiration rate be different for a person who had just exercised instead of sitting in the lab? a. No, the respiration rate would be the same. b. Yes, the respiration rate would be slower because the exercise slows respiration and oxygen uptake. c. Yes, the respiration rate would be faster since the person needed more oxygen while exercising.arrow_forward
- The control of aerobic respiration by _____________ is called respiratory control. a. ATP b. ADP c. AMP d. GDParrow_forwardWhich of the following can increase oxygen delivery to an actively metabolizing tissue? A. local reduction in pH in the active tissue B. relaxation of precapillary sphincters within the active tissue C. increased blood pressure as a consequence of tachycardia (that is, increased heart rate) D. increase in the number of open, perfused capillaries in the active tissue E. All of the above answer choices correctly answer the question.arrow_forwardWhat happens if the body's cellular respiration system malfunctions? Explain your answer.arrow_forward
- Phosphate transfer is used for A. immediate ATP needs and is dependent on oxygen. B. immediate ATP needs and is not dependent on oxygen. C. long term ATP needs and is dependent on oxygen. D. long term ATP needs and is not dependent on the presence of oxygen.arrow_forwardWhat type of respiration takes place in human muscles during vigorous exercise and why?arrow_forwardWhich of the following statements IS true? (Choose only 1 answer) a) The pH value of lungs is lower than that of tissue b) Protons compete with oxygen c) Protons will facilitate oxygen release in lungs d) Production of lactate during exercise will accelerate oxygen deliveryarrow_forward
- Which mechanism of ATP production requires mitochondria and is able to use fatty acids and lactic acid energy sources? A glycolysis B aerobic respiration C anaerobic respirationarrow_forwardAn athlete participates in aerobic exercise three times a week. One of the changes is an increased ability to deliver oxygen to her skeletal muscles. Over time she notices that she can continue the exercise with greater intensity and duration. The reason for this change is that there is a(n) a. greater response from phosphate transfer. b. greater production of ATP from glycolysis and less from aerobic cellular respiration. c. greater production of ATP from aerobic cellular respiration. d. increased production of lactate.arrow_forwardExplain the circumstances that caused physiologists to reevaluate their conclusions that humans could not climb Mount Everest without oxygen.arrow_forward
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