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Chapter 6 - Flashcards

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Class:FSHN 120 - Contemporary Nutrition
Subject:Food Science & Human Nutrition
University:University of Illinois - Urbana-Champaign
Term:Fall 2010
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Which of the following is NOT true about body proteins? they are static and change little after achievement of adult status
Proteins are digested in which area of the body? stomach and small intestine
Which of the following is NOT true about the events during and after absorption of protein digestive breakdown products? many whole proteins are absorbed and enter the blood
If the diet is lacking an essential amino acid, what will be the course of action? protein synthesis will be limited
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Food proteins are used most efficiently when we are consuming enough carbohydrates and fats to meet our kcalorie needs.
If a food does not contain the necessary amounts of a certain amino acid to meet a body need, that amino acid is referred to as a limiting amino acid
All of the following are true of the alteration of the three-dimensional structure of a protein except it tends to be rigid and retains its structure
Which of the following is true about proteins intake of people in the United States? Most consumer more than is needed.
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Kwashiorkkor usually is associated with a deficiency of protein
If the carbohydrate content of the diet is insufficient to meet the body's needs for glucose, which of the following can be converted to glucose? Amino acids
In the case of sickle cell anemia, the slight alterations in the DNA of red blood cell lead to changes in the structure of the protein hemoglobin
What enzyme is released by the stomach to digest protein? pepsin
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15. The American Institute for Cancer Research promotes "The New American Plate," which includes plant-based foods covering __________________ of the plate and meat, fish, poultry, or low-fat dairy covering __________________ of the plate. two-thirds (or more); only one-third (or less)
Proteins that bind to foreign proteins in the body are anitbodies
The combination of plant foods that most often is used to provide complete protein is legumes and grains
The most reliable source of vitamin B12 for the vegan would be fortified soybean milk
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Approximately how many different amino acids are used in the synthesis of body proteins? 20
Cooking an egg alters its appearance due to denaturation
The typical American diet supplies approximately what percentage of protein as essential amino acid? 50%
High protein diets may be harmful for those with kidney disease
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Which of the following is true about protein? it is made up of combinations of approximately 20 amino acids
The chemical element found in all amino acids but not found in either carbohydrates or fats is nitrogen
Proteins regulate the acid-base balance of the blood by acting as buffers
All of the following are true of high quality protein except it provides 7 kcal/g of energy
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All of the following are primary functions of protein except to supply more than 40 percent of the kcalories in the diet
When there is a need for increased dietary protein during pregnancy or lactation, which foodstuff would be least desirable Gelatin
*When protein consumption is in excess of body needs and energy needs are met, the excess amino acids are metabolized and the energy in the molecules is stored as glycogen and/or fat
All of the following are essential amino acids EXCEPT A. alaine B. lysine C. methioine D. Threonine A. alaine
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The typical American diet supplies approximately what percentage of protein as essential amino acid? 50%
Edema appears when there is a severe lack of dietary protein because blood protein levels fall and fluid shifts to the tissues
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 Which of the following is NOT true about body proteins?they are static and change little after achievement of adult status
 Proteins are digested in which area of the body?stomach and small intestine
 Which of the following is NOT true about the events during and after absorption of protein digestive breakdown products?many whole proteins are absorbed and enter the blood
 If the diet is lacking an essential amino acid, what will be the course of action?protein synthesis will be limited
 Food proteins are used most efficiently when weare consuming enough carbohydrates and fats to meet our kcalorie needs.
 If a food does not contain the necessary amounts of a certain amino acid to meet a body need, that amino acid is referred to as a limiting amino acid
 All of the following are true of the alteration of the three-dimensional structure of a protein exceptit tends to be rigid and retains its structure
 Which of the following is true about proteins intake of people in the United States?Most consumer more than is needed.
 Kwashiorkkor usually is associated with a deficiency of protein
 If the carbohydrate content of the diet is insufficient to meet the body's needs for glucose, which of the following can be converted to glucose? Amino acids
 In the case of sickle cell anemia, the slight alterations in the DNA of red blood cell lead tochanges in the structure of the protein hemoglobin
 What enzyme is released by the stomach to digest protein?pepsin
 15. The American Institute for Cancer Research promotes "The New American Plate," which includes plant-based foods covering __________________ of the plate and meat, fish, poultry, or low-fat dairy covering __________________ of the plate.two-thirds (or more); only one-third (or less)
 Proteins that bind to foreign proteins in the body areanitbodies
 The combination of plant foods that most often is used to provide complete protein is legumes and grains
 The most reliable source of vitamin B12 for the vegan would befortified soybean milk
 Approximately how many different amino acids are used in the synthesis of body proteins?20
 Cooking an egg alters its appearance due todenaturation
 The typical American diet supplies approximately what percentage of protein as essential amino acid?50%
 High protein diets may be harmful forthose with kidney disease
 Which of the following is true about protein?it is made up of combinations of approximately 20 amino acids
 The chemical element found in all amino acids but not found in either carbohydrates or fats isnitrogen
 Proteins regulate the acid-base balance of the blood byacting as buffers
 All of the following are true of high quality protein exceptit provides 7 kcal/g of energy
 All of the following are primary functions of protein except tosupply more than 40 percent of the kcalories in the diet
 When there is a need for increased dietary protein during pregnancy or lactation, which foodstuff would be least desirableGelatin
 *When protein consumption is in excess of body needs and energy needs are met, the excess amino acids are metabolized and the energy in the molecules isstored as glycogen and/or fat
 All of the following are essential amino acids EXCEPT A. alaine B. lysine C. methioine D. ThreonineA. alaine
 The typical American diet supplies approximately what percentage of protein as essential amino acid?50%
 Edema appears when there is a severe lack of dietary protein becauseblood protein levels fall and fluid shifts to the tissues
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