The change in hair color occurs when melanin ceases to be produced in the hair root and new hairs grow in without pigment. The stem cells at the base of hair follicles produce melanocytes, the cells that produce and store pigment in hair and skin. The death of the melanocyte stem cells causes the onset of graying.
The revenue cycle is a recurring set of business activities and related information processing operations associated with providing goods and services to customers and collecting their cash payments.The primary external exchange of information is with customers.he revenue cycle is a recurring set of business activities and related information processing operations associated with providing goods and services to customers and collecting their cash payments.
Credit & Debt Management. The billing cycle for a credit card or any type of monthly account is the period of time between billings. For example, a billing cycle may start on the 1st day of the month and end on the 30th day of the month. Or, it may go from the 15th of one month to the 15th of the next.