Why is energy required inside the cell?

living organisms need nutrients or sunlight to carry out cellular processes. The transport, synthesis, & breakdown of nutrients & molecules in a cell require the use of energy

Answer: because the cells need energy in order to function

Explanation:

Living organisms must take in energy via food, nutrients, or sunlight in order to carry out cellular processes. The transport, synthesis, and breakdown of nutrients and molecules in a cell require the use of energy.