Answered: The difference in the action of…

Nutrition Now

8th Edition

ISBN:9781337415408

Author:Brown

Publisher:Brown

Chapter20: Vitamins And Your Health

Section: Chapter Questions

Problem 12RQ

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Similar questions

Explain the role of bile salts and lecithin in the emulsification of lipids (fats).
Release of trypsin and chymotrypsin in their active form can result in the digestion of the pancreas or small intestine itself. What mechanism does the body employ to prevent its self-destruction?
Insulin is released when food is ingested and stimulates the uptake of glucose into the cell. Discuss tine mechanism cells employ to create a concentration gradient to ensure continual uptake of glucose from the bloodstream.
Lipases are enzymes that breakdown disaccharides lipids proteins cellulose
The genetic disorder in which an essential digestive enzyme is missing is known as ____. Down syndrome Huntingtons disease phenylketonuria organic disorder
In type II diabetes, insulin is produced but is nonfunctional. These patients are described as starving in a sea of plenty, because their blood glucose levels are high, but none of die glucose is transported into the cells. Describe how this leads to malnutrition.
Unlike saturated fatty acids, the tails of unsaturated fatty acids incorporate one or more _______. a. phosphate groups b. glycerols c. double bonds d. single bonds
Part of cortisol’s role in the body involves passing through the plasma membrane to initiate signaling inside a cell. Describe how the structures of cortisol and the plasma membrane allow this to occur.
Triglycerides are transported by chylomicrons because ________. they cannot move easily in the bLood stream because they are fat based, while the blood is water based they are too small to move by themselves the chylomicrons contain enzymes they need for anabolism they cannot fit across the intestinal membrane
Understanding the Mechanism of Hemolytic Anemia Genetic defects in glycolytic enzymes can have serious consequences for humans For example, defects in the gene for pyruvate kinase can result in a condition known as hemolytic anemia. Consult a reference to learn about hemolytic anemia, and discuss why such genetic defects lead to this condition.
The nutrient-absorbing intestinal cells have a multitude of finger like projections in contact with the digested food (see Figure 16-20, p. 602). Based on your knowledge of structureâ€” function relationships, explain the functional advantage of this structural feature. (Answers are in Appendix C.)
Some low-fat or non-fat foods contain a large amount of sugar to replace the fat content of the food. Discuss how this leads to increased fat in the body (and weight gain) even though the item is non-fat.

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The difference in the action of water-soluble vitamins and fat-soluble vitamins.