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Proteins

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by

Jailyn Buno

on 7 December 2012

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Transcript of Proteins

Protein Protein foods Proteins foods are found in eggs ,beef,fish,poultry,dairy products,nuts,seeds and legumes like black beans, lentils and butter chicken. Amino acids Your body uses the protein you eat to make lots of specialized protein molecules that have specific jobs.For instance your body uses protein to make hemoglobin. Your body uses... Amino acids make proteins. Scientists have found many amino acids to make proteins.There are different kinds of proteins, some come from animal sources like meat and milk. This type is called complete because it contains all nine of the amino acids. The other type comes from vegetables. Proteins build ... Other proteins are used to build cardiac muscle.What's that?Your heart! In fact,whether you're running or just hanging out ,protein is doing important work like moving your legs,moving your lungs,and protecting you from disease. How much is enough?

You can figure out how much protein you need if you know how much you weigh. Each day, kids need to eat about 0.5 grams of protein for every pound (0.5 kilograms) they weigh. That's a gram for every 2 pounds (1 kilogram) you weigh. Your protein needs will grow as you get bigger, but then they will level off when you reach adult size. Adults, for instance, need about 60 grams per day. More about amino acids Proteins are sometimes described as long necklaces with differently shaped beads. Each bead is a small amino acid. These amino acids can join together to make thousands of different proteins. Scientists have found many different amino acids in protein, but 22 of them are very important to human health. Why are proteins important? Proteins are very important for your body so you can grow and be strong. Proteins are large molecules made up of long chains of amino acid subunits. Some of these amino acids are nutritionally essential as they cannot be made or stored within the body and so must come from foods in our daily diet. You can look at a food label to find out how many protein grams are in a serving. But if you're eating a balanced diet, you don't need to keep track of it. It's pretty easy to get enough protein. Food labels The good news is that you don't have to eat all the essential amino acids in every meal. As long as you have a variety of protein sources throughout the day, your body will grab what it needs from each meal. Meals Examples of how much you need Here's an example of how a kid might get about 35 grams of protein in a day:

•2 tablespoons (15 milliliters) peanut butter (7 grams protein)
•1 cup (240 milliliters) low-fat milk (8 grams protein)
•1 ounce (30 grams) or two domino-size pieces of cheddar cheese (7 grams protein)
•1.5 ounces (90 grams) chicken breast (10.5 grams protein)
•½ cup (80 grams) broccoli (2 grams protein THANK YOU
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