Biology, asked by fluvs, 1 year ago

what are the three types of protein??

Answers

Answered by Anonymous
10
ASSALAMUALAIKUM

Protein is the basic component of living cells and is made of carbon, hydrogen, oxygen, nitrogen and one or more chains of amino acids. The three types of proteins are fibrous, globular, and membrane.

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Answered by Anonymous
6

Complete Proteins

Complete proteins provide all nine essential acids that our bodies can’t make. The top sources of complete protein include animal products like meat, poultry and seafood. Examples include steak, turkey and salmon. Other animal products, such as eggs and low-fat dairy, are also good sources of complete protein. But, keep in mind that some high-protein foods may also be high in saturated fat. Steak, for example, has 40 grams of protein but 12 grams of saturated fat. To eat more nutritious complete proteins, the United States Department of Agriculture suggests choosing lean or low-fat meat and poultry. You can also eat seafood twice a week to increase intake of good fats. Using healthy cooking methods such as roasting and broiling will avoid the addition of extra fats.

Incomplete Proteins

Incomplete proteins lack one or more essential amino acids. Almost all plant proteins are incomplete. Beans, peas, seeds, nuts, soy products and some grains are plant proteins. Examples of beans and peas include white beans, chickpeas, hummus and green peas. Seeds and nuts include foods such as almonds, walnuts and sunflower seeds. The USDA recommends eating unsalted nuts and seeds to avoid extra sodium. Examples of soy products include tofu, tempeh and soy milk. Quinoa, a seed that's eaten as a grain, is an exceptionally rich source of protein. If you don’t eat animal products, it’s important to eat many different types of plant proteins to get enough essential amino acids.

Protein Equivalents

Most individuals need 5 to 7 ounces of protein every day. One ounce of protein can be obtained through 1 ounce of meat, poultry or seafood. For reference, 3 ounces of meat or poultry is about the size of your palm and 3 ounces of fish is about the size of a checkbook. One ounce of protein also equals 1 large egg, 1/4 cup of beans or peas, 1 tablespoon of nut butter, 1/2 ounce of nuts or seeds, or 14 peanuts and 27 pistachios.

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