A Worker Is Paid Every Two Weeks

A worker is paid every two weeks.She uses some of this money to pay for essentials and puts the remainder of her money in a savings account at a bank.The money the worker saves is analogous to the

A) conversion of ADP and phosphate into ATP.
B) conversion of ATP into ADP and phosphate.
C) way electrons are used to pump protons across a membrane.
D) way enzymes catalyze chemical reactions in a cell.