HUMAN A+P MOD.MASTERING
2nd Edition
ISBN: 9780136919520
Author: AMERMAN
Publisher: PEARSON
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Chapter 2, Problem 2CYU
Considering that water is a main component of the juices in the stomach and intestines, explain why digestion of lipids is more complicated than digestion of carbohydrates and proteins.
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A glass of whole milk contains lactose, protein, triglycerides (in butterfat), vitamins, and minerals. Explain what happens to each component when it passes through your digestive tract.
Chapter 2 Solutions
HUMAN A+P MOD.MASTERING
Ch. 2.1 - What are atoms?Ch. 2.1 - How do the three types of subatomic particles...Ch. 2.1 - What is an element?Ch. 2.1 - 4. How are elements arranged in the periodic...Ch. 2.1 - What are isotopes?Ch. 2.2 - What is a mixture?Ch. 2.2 - 2. How do the three types of mixtures differ?
Ch. 2.2 - Prob. 3QCCh. 2.2 - What is an ionic bond?Ch. 2.2 - 5. How is an ionic bond formed?
Ch. 2.2 - 6. How do polar and nonpolar covalent bonds...Ch. 2.2 - What are hydrogen bonds? Between which types of...Ch. 2.3 - Prob. 1QCCh. 2.3 - What are the differences between the three types...Ch. 2.3 - How do endergonic and exergonic reactions differ?Ch. 2.3 - 4. What are the differences between the three main...Ch. 2.3 - What factors can influence the rate of a chemical...Ch. 2.3 - 6. What is an enzyme, and what is its function?
Ch. 2.4 - What four properties of water make it a good...Ch. 2.4 - 2. Which molecules or compounds are likely to be...Ch. 2.4 - What are acids and bases?Ch. 2.4 - What is the pH scale? Which pH values are...Ch. 2.4 - What is the effect of a buffer on a solution?Ch. 2.4 - What is a salt?Ch. 2.4 - 7. What does an electrolyte do in a solution?
Ch. 2.5 - 1. How do polymers and monomers differ?
Ch. 2.5 - 2. How do monosaccharides, disaccharides, and...Ch. 2.5 - How are two monosaccharides linked to form a...Ch. 2.5 - Prob. 4QCCh. 2.5 - 5. How do phospholipids and triglycerides differ?
Ch. 2.5 - What are steroids?Ch. 2.5 - Prob. 7QCCh. 2.5 - How are amino acids linked to form peptides and...Ch. 2.5 - 9. What are the four levels of structural...Ch. 2.5 - 10. What are the components and roles of ATP?
Ch. 2.5 - 11. How do DNA and RNA differ?
Ch. 2 - Prob. 1CYRCh. 2 - Fill in the blanks: Isotopes are atoms with the...Ch. 2 - 3. Which of the following statements correctly...Ch. 2 - 4. Explain the difference between an ionic and a...Ch. 2 - Identify each of the following molecules or...Ch. 2 - What are hydrogen bonds, and how do they form?Ch. 2 - Prob. 7CYRCh. 2 - Prob. 8CYRCh. 2 - Which of the following would not result in an...Ch. 2 - 10. An enzyme is a:
a. biological catalyst that...Ch. 2 - Prob. 11CYRCh. 2 - With respect to their solubility in water,...Ch. 2 - Mark the following statements as true or false. If...Ch. 2 - A salt is: a. a metal cation bonded to a nonmetal...Ch. 2 - 15. Compare and contrast the structures of...Ch. 2 - 16. Mark the following statements as true or...Ch. 2 - 17. Why is it important for a protein to maintain...Ch. 2 - Which of the following is not part of a...Ch. 2 - 19. Mark the following properties as belonging to...Ch. 2 - Which of the following statements is/are true...Ch. 2 - 1. In certain types of radioactive decay, the...Ch. 2 - Considering that water is a main component of the...Ch. 2 - 3. Explain why monosaccharides are polar and fatty...Ch. 2 - 1. The polysaccharide cellulose is not digestible...Ch. 2 - Some claim that the pH of your blood can be...Ch. 2 - Prob. 3AYKACh. 2 - Prob. 4AYKB
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- Our stomachs secrete hydrochloric acid. Knowing the function of antacids, what do you think causes most “upset stomachs”?arrow_forwardInfant formulas contain mixes of dextrins and maltose rather than starch because they are easier to digest. Why are they easier to digest than starch?arrow_forwardIf proteases such as pepsin and trypsin digest protein, why do not they digest the stomach and small intestine, which are made from proteins?arrow_forward
- Saliva contains an enzyme that digests (breaks down) starch. If you were to chew a piece of bread for a few minutes WITHOUT SWALLOWING, you would notice a change in the way the bread tastes. At first, it will taste as you expect bread to taste, but after a few minutes, the bread begins to taste sweet. Explain.arrow_forwardYour friend is on the cross-country running team. They tell you they need to "carbo-load" ahead of their big race in a couple of days, as they want to store extra carbohydrates in their muscles. 1. Identify what macromolecule should they eat more of over the next couple of days? Identify that molecule's function. 2. Identify what food from the selection should they eat. 3. Explain how you know that food has the macromolecule they need.arrow_forwardbased on your knowledge of metabolism, describe why eating a fat free, but high calorie diet can lead to fat gain. Describe the specific pathways that sugar can take to become stored lipid.arrow_forward
- Carbohydrates and lipids are composed of the same chemical elements, but in different proportions. Both are used as energy sources for cell metabolism. Which type of molecule has the higher calorie content per gram. Explain..arrow_forwardCreate a concept map to demonstrate the relationships between carbohydrate, protein and lipid catabolism. Start the chart by mapping out (in detail) the steps of carbohydrate catabolism and then lipid and protein. Include the products produced during various steps and how they might feed into other parts of the other catabolisms.arrow_forwardIn which form adipose tissue store fat.arrow_forward
- Lipolysis is the breakdown of protein into amino acids true or false?arrow_forwardWhat is the difference between starch and cellulose that makes one digestible and the other not digestible to humans? Explain and illustrate.arrow_forwardDigestion of proteins in the acidic environment of the stomach is carried out by the enzyme pepsin. A different enzyme, called trypsin, digests proteins in the neutral environment of our small intestine. The amount of each enzyme are the same and the amount of substrate is the same between the stomach and small intestine. Explain why our bodies use two different enzymes to digest proteins in the stomach and the small intestine.arrow_forward
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