a. There are three main types of cellular work: chemical, transport, and movement. Most of this work is powered by the transfer of a phosphate group from one molecule to another in a process known as ____________.
b. Through energy coupling, cells use ____________, or energy-releasing, reactions to drive ______________, or energy-requiring, reactions. The molecule _____________is the energy shuttle between these two types of reactions.
c. A specific _____________ speeds up each of a cell's chemical reactions.
d. Mechanisms such as ___________ enable precise control over a cell's ___________ all of its chemical reactions.