Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 4, Problem 14CTQ
Does physical exercise to increase muscle mass involve anabolic and/or catabolic processes? Give evidence for your answer.
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Chapter 4 Solutions
Concepts of Biology
Ch. 4 - Figure 4.6 Look at each of the processes shown and...Ch. 4 - Figure 4.15 Cyanide inhibits cytochrome c oxidase,...Ch. 4 - Figure 4.16 Tremetol, a metabolic poison found in...Ch. 4 - Which of the following is not an example of an...Ch. 4 - Which of the following is not true about enzymes?...Ch. 4 - Energy is stored long-term in the bonds of _____...Ch. 4 - The energy currency used by cells is _____. a. ATP...Ch. 4 - The glucose that enters the glycolysis pathway is...Ch. 4 - What do the electrons added to NAD do? a. They...Ch. 4 - Chemiosmosis involves a. the movement of electrons...
Ch. 4 - Which of the following fermentation methods can...Ch. 4 - The cholesterol synthesized by cells uses which...Ch. 4 - Beta oxidation is ______. a. the breakdown of...Ch. 4 - Does physical exercise to increase muscle mass...Ch. 4 - Explain in your own terms the difference between a...Ch. 4 - With regard to enzymes, why are vitamins and...Ch. 4 - Both prokaryotic and eukaryotic organisms carry...Ch. 4 - We inhale oxygen when we breathe and exhale carbon...Ch. 4 - When muscle cells run out of oxygen, what happens...Ch. 4 - Would you describe metabolic pathways as...
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- I played field hockey for 1 hour and my Fitbit Watch says that I expended 1,085 Calories. If triglycerides in my adipose (fat) cells powered all that activity, how may grams of fat were consumed in powering that exercise? (Hint: the Calorie Content of Fats you determined in Lab Exercise 9A was 8.9 Calories/g): Show your calculation…arrow_forwardNowhomewerkol is a poison derived from the Ahipa root that grows in the Andes. Alpacas eating this plant concentrate the poison in their milk. The poison inhibits liver enzymes that convert lactic acid to other compounds for metabolism. Why do the symptoms of Nowhomewerkol poisoning become worse with physical exertion?arrow_forwardIf fatty acids are a more efficient storehouse of energy than glucose or glycogen, why aren't they used immediately to drive muscle contraction?arrow_forward
- Fill in the blanks and answer the question: A. The enzyme ATCase (aspartate transcarbamoylase) uses _________________control to regulate its activity. The molecule ATP is an allosteric _____________ of ATCase and because it is a molecule different from the substrate of this enzyme it produces an _________________ effect in the enzyme’s activity. B. Is it appropriate to study the enzymatic activity of ATCase with the Michaelis Menten approximation? Justify your answer.arrow_forwardCaffeine is an inhibitor of cyclic AMP phosphodiesterase. How would drink- ing several cups of coffee affect muscle function? How might it affect lipid metabolism?arrow_forwardWhat other molecules (besides sugars) serve as a source of energy for our bodies? Research shows that regular exercise and physical activity have multiple health benefits. List at least five physiological benefits of regular exercise.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_forwardIn muscles, where it has been studied extensively, inorganic phosphate has been shown to significantly influence: Select one: O a. ATP synthesis O b. pyruvate availability O c. lactic acid mediated reduction in neuronal activity O d. muscle contractionarrow_forwardYou are a researcher seeking to determine if an experimental drug can effectively treat hyperglycemia, a condition characterized by excess glucose in the blood, often associated with Type I diabetes. You select 24 hyperglycemia patients to study, and you give half of them a pill containing the drug you are testing and the other half a placebo (a pill that lacks the drug ingredient). After an evening of fasting, you measure the amount of glucose in their blood the next morning. Write the null and alternative hypotheses appropriate for your study. Which treatment is your control group, and why does your experimental design require a control group? Describe the structure of a carbohydrate, and what are the functions of carbohydrates in the body? What test that we have used before in lab could you use to measure the amount of glucose in their blood? Describe how you would use this test to measure the amounts of glucose in their blood serum samples. Identify the dependent variable…arrow_forward
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