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  2. Protein (nutrient) - Wikipedia

    en.wikipedia.org/wiki/Protein_(nutrient)

    Protein is a nutrient needed by the human body for growth and maintenance. Aside from water, proteins are the most abundant kind of molecules in the body. Protein can be found in all cells of the body and is the major structural component of all cells in the body, especially muscle. This also includes body organs, hair and skin.

  3. Protein - Wikipedia

    en.wikipedia.org/wiki/Protein

    A representation of the 3D structure of the protein myoglobin showing turquoise α-helices. This protein was the first to have its structure solved by X-ray crystallography. Toward the right-center among the coils, a prosthetic group called a heme group (shown in gray) with a bound oxygen molecule (red).

  4. List of proteins - Wikipedia

    en.wikipedia.org/wiki/List_of_proteins

    They fulfill a wide variety of functions including providing structural stability to cells, catalyze chemical reactions that produce or store energy or synthesize other biomolecules including nucleic acids and proteins, transport essential nutrients, or serve other roles such as signal transduction.

  5. How much protein does your body need? It’s a bit ... - AOL

    www.aol.com/lifestyle/much-protein-does-body-bit...

    Newer research suggests that most adults have higher daily protein needs than that — about 1.3-1.8 grams per kilogram of body weight — and that the government’s recommendations are too low.

  6. Ferritin - Wikipedia

    en.wikipedia.org/wiki/Ferritin

    Ferritin is found in most tissues as a cytosolic protein, but small amounts are secreted into the serum where it functions as an iron carrier. Plasma ferritin is also an indirect marker of the total amount of iron stored in the body; hence, serum ferritin is used as a diagnostic test for iron-deficiency anemia and iron overload. [4]

  7. Storage protein - Wikipedia

    en.wikipedia.org/wiki/Storage_protein

    Ferritin is an example of a storage protein that stores iron. Iron is a component of heme, which is contained in the transport protein, hemoglobin and in cytochromes. Some storage proteins store amino acids. Storage proteins' amino acids are used in embryonic development of animals or plants.

  8. Human nutrition - Wikipedia

    en.wikipedia.org/wiki/Human_nutrition

    Proteins are the basis of many animal body structures (e.g. muscles, skin, and hair) and form the enzymes that control chemical reactions throughout the body. Each protein molecule is composed of amino acids which contain nitrogen and sometimes sulphur (these components are responsible for the distinctive smell of burning protein, such as the ...

  9. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!