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Ch 6

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
complete proteins   proteins that contain all the essential amino acids  
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bioavailable   ability of a nutrient to be readily absorbed and used by the body  
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incomplete proteins   proteins that do not contain all of the essential amino acids  
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complementary proteins   incomplete proteins that when combined provide all 10 essential amino acids  
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nitrogen   chemical element found in protein; essential to life  
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amino acids   nitrogen-containing chemical compounds of which protein is composed  
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polypeptides   ten or more amino acids bonded together  
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trypsin   pancreatic enzyme; helps digest proteins  
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chymotrypsin   pancreatic enzyme necessary for the digestion of proteins  
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carboxypeptidase   pancreatic enzyme necessary for protein digestion  
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nitrogen balance   when nitrogen intake equals nitrogen excreted  
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positive nitrogen balance   nitrogen intake exceeds output  
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physical trauma   extreme physical stress  
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negative nitrogen balance   more nitrogen lost than taken in  
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albumin   protein that occurs in blood plasma  
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protein energy malnutrition (PEM)   malnutrition resulting from inadequate intake of protein and energy-rich foods; marasmus and kwashiorkor  
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marasmus   severe wasting caused by lack of protein and all nutrients or faulty absorption; PEM  
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kwashiorkor   deficiency disease caused by extreme lack of protein  
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mental retardation   below normal intellectual capacity  
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