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Potassium-40 is the largest source of natural radioactivity in animals including humans. A 70 kg human body contains about 140 g of potassium, hence about 140g × 0.0117% ≈ 16.4 mg of 40 K; [4] whose decay produces about 3850 [5] to 4300 disintegrations per second continuously throughout the life of the person. [Note 2] [6]
Eating a variety of foods that contain potassium is the best way to get an adequate amount. Foods with high sources of potassium include kiwifruit, orange juice, potatoes, coconut, avocados, apricots, parsnips and turnips, although many other fruits, vegetables, legumes, and meats contain potassium. Common foods very high in potassium: [34]
An animal protein plus a tuber vegetable and generous leafy greens serve for a potassium-packed meal,” says Parris. She says a 3-ounce chicken breast has 300 mg of potassium. Beets
The only major component of most food which contains nitrogen is protein (fat, carbohydrate and dietary fiber do not contain nitrogen). If the amount of nitrogen is multiplied by a factor depending on the kinds of protein expected in the food the total protein can be determined. This value is known as the "crude protein" content.
Potassium channels have a tetrameric structure in which four identical protein subunits associate to form a fourfold symmetric (C 4) complex arranged around a central ion conducting pore (i.e., a homotetramer). Alternatively four related but not identical protein subunits may associate to form heterotetrameric complexes with pseudo C 4 symmetry ...
The foods within the bland diet are lower in fiber and fat, while also having a more neutral flavor and smell. These include:, Lean proteins prepared with little to no fat and with mild seasoning.
Potassium is a chemical element; it has symbol K (from Neo-Latin kalium) and atomic number 19. It is a silvery white metal that is soft enough to easily cut with a knife. [9] Potassium metal reacts rapidly with atmospheric oxygen to form flaky white potassium peroxide in only seconds of exposure.
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