Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 9, Problem 3Q
Summary Introduction
To review:
The fate of the muscles in a person on an extreme calorie-restricted diet in order to lose weight. Also, justify whether this step to lose weight should be followed by people. Also, review the fact whether people on crash diets realize its consequences.
Introduction:
Glucose is the main source of energy in the body. During starvation, that is, in the absence of glucose as an energy source, human body uses proteins and fats as a source of glucose. The body begins to use muscle proteins. This may lead to fatigue and can also affect the heart. The brain will also be affected by extreme calorie restricted diet.
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When at rest, our muslces only use a small amount of fat to provide energy, no use of glucose at all?
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Chapter 9 Solutions
Life: The Science of Biology
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- Let’s play the role of a Dietician once again. Suppose that a parent of a young child came to you for advice about nutrition for their child. Provide at least five examples of healthy snacks and iron-rich foods and snacks that you would suggest and why?arrow_forwardObesity pretty clearly increases one's risk of many medical issues. However, while society and medical experts have placed great emphasis on maintaining "normal" body weight, the excess risk posed by being merely overweight—having a moderately high body mass index (BMI), as opposed to being obese—is less clear. Why? Can you explain?arrow_forwardThe crash diet or “no food” diet leads to rapid weight loss for the first 10-14 days and then weightloss slows dramatically. Explain these phenomena.arrow_forward
- What are your insights on KETO METHOD of losing weight? Do you think that it is safe? Why or why not?arrow_forwardAlong the lines of question 3, formulate a healthy diet for an actively growing 7-year-old.arrow_forwardCan you answer all the parts to following question, true or false: Q31: A: Complex carbohydrates are broken down by carboxylases in both the mouth and the small intestine (True or False) B: Glycolysis requires the input of energy in order to release energy from glucose (True or False) C: Anorexic hormones signal the body that it is in a fed state (True or False) D: The dependence of hunger on the ratio between insulin and glucagon is an example of signal integration (True or False)arrow_forward
- There is some evidence that high protein diets naturally suppress appetite. How might that effect weight loss?arrow_forwardPredict some of the consequences of a deficiencyof a given nutrient.arrow_forwardThe pancreases secretes insulin which is made up of chain of 51 amino acids. How is insulin able to enter the bloodstream despite its relatively large size? 1. The pancreas contains continuous capillatries. 2. The pancreas contains cell that are very good at exocytosic which creastes a larher concentration of isulin in the interstitial fluid that diffuses into the blood. 3. The pansrea contains fenestrated cappilaries. 4. Insullin is hydropholic so it can diffuse across cell membranesarrow_forward
- When compared to subcutaneous fat, visceral fat: a) Has a lower production of pro-inflammatory cytokines and CRP b) Has a lower lipolytic rate c) Is more metabolically active d) Has a higher production of anti-inflammatory adipokines like adiponectinarrow_forwardwhy it has been suggested that in the future obesity may be treated with antimicrobial drugsarrow_forwardConsider a scenario in which a person is on a diet and is eating far less each day than dictated by their set point. describe both the glucostatic theory and the lipostatic theory, explain why this person might be motivated to eat, both in the short-term and over the long-term.arrow_forward
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