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.