This means it functions inside the cell with a definite purpose just like an organ, such as a kidney, functions in a body. But melanocytes are regularly making brand new melanosomes. A melanosome is initially constructed of a fiber-like network foundation laid down by special protein (Pmel17) unique to melanocytes.
1 Joule = 0.239005736 Calories. Joule is metric system unit (electrical, mechanical or thermal) and defined as the amount of work done by a force of one newton to move an object one meter or a current of one ampere when passing through one ohm resistance for one second.
One calorie is the amount of heat required to raise the temperature of one gram of water by one degree Celsius. As such calorie is a very small unit hence larger unit Kilocalories or Kcal is more commonly used. 1Kcal = 1000 cal. 2) SI unit system: Joule: This system is most commonly used now.