A horse's cells carry out many processes at once. Some cells are involved in growing fur and some are involved in muscle contraction. Which sentence describes how cells continue to carry out their many processes?

New cells are always being made from old ones in the process of meiosis.

Cells contain genes from two individuals, and the combination of genes result in genetic variation

The phospholipid bilayer of the cell membrane is selectively permeable.

Cells are constantly converting the energy from glucose into usable energy in the form of ATP