Nutrition Exam 2 Correct 100% CORRECT!

What makes a protein different from a carbohydrate or a fat? - ANSWER a nitrogen How many different amino acids are there? - ANSWER 20 Proteins make up many components of normal body function, such as enzymes, some hormones, acid-base regulators, transporters, antibodies for the immune system, and they can also serve as a source of energy when glucose is limiting. - ANSWER true How the body makes proteins is pre-determined by our genes. Transcription and translation are processes by which the DNA is copied to determine the code for all of the proteins in the body. - ANSWER true The next 2 questions deal with nitrogen balance. Our bodies like nitrogen balance. When would you have a negative nitrogen balance (breaking down more than synthesizing)? - ANSWER during starvation When would you have a positive nitrogen balance (synthesizing more than breaking down)? - ANSWER during infant and child growth or pregnancy What is a complete protein? - ANSWER a protein that contains all the essential amino acids Proteins from animal sources are usually complete proteins. What's the only complete protein from a plant source? - ANSWER soy What's the complete protein standard by which all other proteins are compared? It is also the most digestible. - ANSWER the incredible egg Let's suppose that you are a vegetarian. Your body needs protein and we talked about combinations of complementary proteins providing all the essential amino acids that your body needs. What combination of plant foods would be the best protein choice? - ANSWER beans and rice When glucose is scarce, amino acids can be converted to glucose to be utilized for energy production. - ANSWER True Let's think about protein digestion. In the stomach, there is an enzyme that digests protein and it is stored in an