Question

what is the main function of the cell membrane in an animal cell? to break down waste and worn - out cell parts to control which substances enter and leave the cell to contain the information that the cell uses for growth and activities to break down sugar and release energy that the cell can use

Explanation:

The cell membrane is a selectively - permeable barrier. It regulates the movement of substances such as ions and molecules in and out of the cell, maintaining the cell's internal environment. Breaking down waste is done by lysosomes, containing cell - growth information is the function of DNA in the nucleus, and breaking down sugar for energy is a function of mitochondria.

Answer:

to control which substances enter and leave the cell