A roller coaster ride begins with a chain and motor. The cart carrying the people is pulled by the chain, powered by the motor,
to the top of a tall hill and then let loose to coast down. The cart then continues to follow the track until it reaches the end. Kinetic energy is dependent upon the mass of the object and the speed of the object. At which point of the ride is the kinetic energy the greatest?
The cell response to the signal will last longer than normal.
Explanation:
The enzyme, protein kinases does the opposite of what phosphatases does, they add a phosphate group to a protein. Both these enzymes regulate the protein activity in a cell.