BIOLOGY:CONCEPTS...LL
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ISBN: 9781260867770
Author: Hoefnagels
Publisher: MCG
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Chapter 32, Problem 9WIO
Summary Introduction
To explain:
The correlation between the skyrocketing consumption of high fructose corn syrup since 1970 and the rise in obesity during the same period.
Concept introduction:
The carbohydrates contain long chains of monomers called monosaccharides. The action of maltase on maltose results in two molecules of glucose. The action of sucrase on sucrose results in one molecule of glucose and one molecule of fructose.
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Chapter 32 Solutions
BIOLOGY:CONCEPTS...LL
Ch. 32.1 - What are two reasons that animals must eat?Ch. 32.1 - Prob. 2MCCh. 32.1 - Prob. 3MCCh. 32.1 - How does the mechanical breakdown of food speed...Ch. 32.1 - Define the terms herbivore, carnivore,...Ch. 32.2 - Prob. 1MCCh. 32.2 - Prob. 2MCCh. 32.2 - Compare and contrast the digestive systems of an...Ch. 32.3 - Prob. 1MCCh. 32.3 - Describe the functions of saliva, teeth, and the...
Ch. 32.3 - Prob. 3MCCh. 32.3 - Prob. 4MCCh. 32.3 - Prob. 5MCCh. 32.3 - Prob. 6MCCh. 32.3 - Prob. 7MCCh. 32.4 - Prob. 1MCCh. 32.4 - Describe the relationship of body weight to...Ch. 32.4 - Prob. 3MCCh. 32.4 - Prob. 4MCCh. 32.5 - How did the researchers analyze the bacterial...Ch. 32.5 - Prob. 2MCCh. 32 - Prob. 1MCQCh. 32 - Prob. 2MCQCh. 32 - Prob. 3MCQCh. 32 - Prob. 4MCQCh. 32 - Prob. 5MCQCh. 32 - Prob. 6MCQCh. 32 - Prob. 1WIOCh. 32 - Prob. 2WIOCh. 32 - Biologists estimate that carnivores assimilate 90%...Ch. 32 - Prob. 4WIOCh. 32 - Prob. 5WIOCh. 32 - Prob. 6WIOCh. 32 - Prob. 7WIOCh. 32 - Prob. 8WIOCh. 32 - Prob. 9WIOCh. 32 - Prob. 10WIOCh. 32 - Prob. 11WIOCh. 32 - Prob. 12WIOCh. 32 - Refer to figure 32.22 and the chapter content to...Ch. 32 - Prob. 2PITCh. 32 - 3. How would removing the gallbladder affect the...
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- Figure 37.11 Pancreatic tumors may cause excess secretion of glucagon. Type I diabetes results from the failure of the pancreas to produce insulin. Which of the following statement about these two conditions is true? A pancreatic tumor and type I diabetes will have the opposite effects on blood sugar levels. A pancreatic tumor and type I diabetes will both cause hyperglycemia. A pancreatic tumor and type I diabetes will both cause hypoglycemia. Both pancreatic tumors and type I diabetes result in the inability of cells to take up glucose.arrow_forwardAn increase in the amount of stored lipids leads to changes in the expression of many hormones. One such hormone is tumor necrosis factor α (TNF-α). A change in expression of this hormone can lead to a change in the free fatty acid level, which, in turn, decreases insulin sensitivity. Place the steps of this process in order.arrow_forwardWhich of the following concerning glucagon is TRUE? a. It is a hormonal protein that uptakes glucose and amino acids from blood. b. Its activity is up-regulated when blood glucose increases. c. It is a hormonal protein that up-regulates glycogenolysis. d. It decreases gluconeogenesis.arrow_forward
- Hunger occurs in response to ______________ (low/high) blood glucose and ______________(low/high) levels of ghrelin.arrow_forwardThe chemical bisphenol-A (BPA) is used to make plastic bottles and to line cans. Evidence from animal experiments and epidemiological studies indicates that the risk of obesity rises with increased BPA intake. How might the endocrine-disrupting effects of such a chemical influence body weight?arrow_forwardAccording to glycogen metabolism, which of the following statementsis/are not true? I. Insulin results in dephosphorylation and subsequentactivation ofglycogen synthase. II. cAMP is a second messenger that triggers an increase in glycogensynthesis. III. Release of epinephrine leads to increased glycogen breakdown. IV. Glucagon promotes glycogen breakdown. V. Glucose-6-phosphate is an allosteric inhibitor of.phosphorylase A) I and VB) III and VC) II onlyD) III and IVE) V onlyarrow_forward
- A patient has a defective liver FBPase-2 enzyme, the enzyme that converts F2,6P into F6P. This enzyme is inactive. What effect would this have on the differential regulation of glycolysis and gluconeogenesis in liver cells? How would this affect a person’s ability to respond appropriately to a low blood sugar state? What about a high blood sugar state?arrow_forwardKetone bodies that build up under starvation conditions act as hunger suppressants and mentaldepressants. Does this make sense or would it make more sense for them to act as a stimulant to goout and find food? Explain.arrow_forwardFructose and glucose are both monosaccharides, but the body metabolizesthese sugars differently. For example, glucose stimulates insulin releasefrom the pancreas (see section 28.4); fructose does not. Moreover, insulinstimulates leptin release. Finally, fructose is more likely than glucose tobe converted to fat. Use this information to propose an explanation for thecorrelation between the skyrocketing consumption of high fructose cornsyrup since 1970 and the rise in obesity during the same period.arrow_forward
- In controlled clinical trials, the consumption of soft drinks containing artificial sweeteners was observed to result in an increased appetite for carbohydrate-containing foods. Based on your knowledge of appetite control by the brain, speculate as to why this phenomenon occurs.arrow_forwardWhat are the 3 macronutrients and how do each provide energy to the body? Define the fed, post-absorptive, fasting, and starved states. Outline changes in the utilization of glucose, fatty acids, amino acids, and ketone bodies as the body transitions from the fed state to the prolonged starvation state. Describe the impacts of insulin, glucagon, epinephrine, and cortisol on CHO, lipid, and protein metabolism. Describe the major pathways that occur in the liver, muscle, adipose tissue. Describe which hormones exercise tends to increase and potential impacts on pathways we’ve discussed. Describe the cori cycle and the glucose-alanine cycle. Describe differences in primary fuel sources by exercise intensity. Describe classical vs moderate CHO loading in preparation for competition in trained athletes. Simple to the point answers please!arrow_forwardName the protein that is up-regulated after a high energy content meal in an effort to increase energy expenditure to prevent the development of obesity.arrow_forward
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