HMGT 2460 Unit 2 Exam - Questions and Answers Before the body can use protein from the diet, it must be digested into amino acids. What enzyme begins breaking proteins into single amino acids and shorter polypeptides?
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HMGT 2460 Unit 2 Exam - Questions and Answers Before the body can use protein from the diet, it must be digested into amino acids. What enzyme begins breaking proteins into single amino acids and shorter polypeptides? Pepsin In what organ does hydrochloric acid begin the chemical digestion of protein? Stomach Proteins can uncoil and lose their shape during processing and cooking. An example is when the white of an egg changes from the clear liquid form to the white firm form during cooking. What is this process called? Denaturation Protein synthesis occurs when all nine essential amino acids are available to the cell. If they are not all present, the essential amino acid that is missing or in the smallest supply and is responsible for slowing or halting protein synthesis is called which of the following? Limiting amino acid Complete, or high quality, proteins contain all nine essential amino acids. Which of the following foods are a complete protein source? Fish, quinoa, soybeans A vegetarian diet is chosen by many for several reasons, such as for good health. The main health benefit of a vegetarian diet includes which of the following? Decreased risk of heart disease and decreased risk of some cancers The body can make nonessential amino acids by transferring the amine group from one amino acid to another. What is this process of manufacturing a new amino acid called? Transamination Following a vegetarian diet offers many health benefits, but can also present challenges when avoiding animal products. Which nutrients are of concern when choosing a vegetarian diet? Vitamin D, Vitamin B12, Calcium, Iron Carbohydrate digestion begins in the mouth with the help of which enzyme? Salivary amylase The RDA for protein for a sedentary person is 0.8 gm/kg body weight. What is the AMDR for protein? 10-35% of total calories
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