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 is a mineral that controls nerve and muscle function. The heart beats at a normal rhythm because of potassium. Potassium is also necessary for maintaining fluid and electrolyte balance and pH level. In order for potassium to perform these functions, blood levels must be kept between 3.5 and 5.5 mEq/L. The kidneys help keep potassium at a normal level.