Conversation so far:
why do animal and plant cells have a nucleus
The true nucleus in animal and plant cells stores DNA and it coordinates the cell's activities, which include growth, intermediary metabolism, protein synthesis, and reproduction
which of the two cells, the animal or the plant cell, is smaller
Animal cells are generally smaller than plant cells
how do animal and plant cells store energy
Animals cells store energy in the form of the complex carbohydrate glycogen. Plant cells store energy as starch.
how do animal and plant cells grow in size
Animal cells increase in size by increasing in cell numbers. Plant cells mainly increase cell size by becoming larger. They grow by absorbing more water into the central vacuole.

Question: do the two cells contain plastids
Self-contained rewrite: do the animal and plant cells contain plastids