CHEM 101B Lecture Notes - Lecture 7: Autoimmune Disease, Gluten, Lysine

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Antibodies- structures in the bloodstream that help prevent and combat infections: make certain hormones. Many hormones, including insulin and glucagon, are proteins: maintain proper fluid balance and acid-base balance. Albumin- help maintain the proper distribution of fluids in blood and body tissues. Have acid-base balance, which is the proper concentration of h+ in body fluids (if this increases too much, the body becomes off balance and becomes acidic, which can cause cells to die) o. Usually proteins are used for other important functions but can be metabolized for a little energy. Amino acids- the building blocks of proteins. Have four parts: a carbon atom that anchors a hydrogen atom, the amino (nitrogen containing) group. Proteins- organic nutrients that are chemically similar to lipids and carbohydrates because they contain carbon, hydrogen, and oxygen atoms: contain nitrogen, all cells in the body contain protein. What do proteins do: make, maintain, and repair cells, build structures o.