Question

although both plant and animal cells contain some different enabling them to perform specific functions, they also contain similar structures (parts). for example, both plant and animal cells contain a that surrounds and protects the cell. this structure can be thought of as the of the cell.
cell membrane powerhouse
gatekeeper structures
cell wall functions

Explanation:

Plant and animal cells have different organelles for specific functions. The cell - membrane surrounds and protects both types of cells and controls what enters and leaves, similar to a gatekeeper.

Answer:

First blank: structures
Second blank: cell membrane
Third blank: gatekeeper