Quick Answer. Ghandi, starring Ben Kingsley, holds the Guinness World Record for the most extras used in a film. Richard Attenborough used over 300,000 extras when he shot the filmâs funeral scene. Continue Reading.
1 Protein and starch synthesis in plants require potassium as well. 2  Potassium is essential at almost every step of the protein synthesis. 3  In starch synthesis, the enzyme responsible for the process is activated by potassium.
Potassium (K) in Blood. A potassium test checks how much potassium is in the blood. Potassium is both an electrolyte and a mineral. It helps keep the water (the amount of fluid inside and outside the body's cells) and electrolyte balance of the body. Potassium is also important in how nerves and muscles work. Potassium levels often change with sodium levels.