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nutrition//sq
chapter 6
| Question | Answer |
|---|---|
| digestion of protein within the stomach begins with the enzyme | pepsin |
| what molecule is a protein that provides structural support to body tissues? | collagen |
| what state of nitrogen balance is a pregnant woman typically in? | positive nitrogen balance |
| the average adult should consume how many grams o protein for each kilogram of body weight? | 0.8 |
| an overweight individual's protein needs are | not much greater than those of a normal weight person of a similar height |
| proteins that act as a biological catalyst and speed up chemical reactions are | enzymes |
| a diet that is too high in protein can increase the risk for | osteoporosis, kidney stones, heart disease |
| the biggest risk for vegetarians is not consuming enough | vitamin b12 |
| the absorption of amino acids occurs in the | small intestine |
| amino acids are joined together by which kind of bond? | peptide bond |
| the protein digestibility corrected amino acid score (PDCAAS) takes into account both the amino acid profile and the ... of a protein | digestibility |
| a starving person would be in ... nitrogen balance | negative |
| when a diet i chronically low in both proteins and calories, the condition is called | PEM |
| AMDR for protein | 10-35% |
| how many calories per gram of protein? | 4 |
| the nitrogen removed from an amino acid generates ammonia, which is converted to ... and excreted in the urine | urea |
| all excess calories are stored as | fat |
| the condition characterized by a severe deficiency of calories is known as | marasmus |
| the molecule that directs protein synthesis in cells is | dna |
| an amino acid that can be synthesized in the body is considered to be | nonessential |
| during periods of starvation, the carbon skeletons of amino acids are used for energy and for gluconeogenesis t/f | true |
| numerous research studies have shown that bones lose calcium when a person's diet is too high in protein t/f | true |
| vitamin a is found only in animal foods, but vegetarians can meet their needs by consumed beta-carotene t/f | true |
| consuming too much of any one amino acid in protein supplements can impede absorption of other amino acids in the intestinal tract t/f | true |
| when amino acids are broken down, they lose their amine group t/f | true |
| isoflavones are weak estrogens that naturally occur in plants t/f | true |
| proteins that bind to and neutralize pathogens in your body are called antibodies t/f | true |
| enzymes are biological catalysts that slow down reactions t/f | false |
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aleicia_12