Question

select the part whose main job is to send instructions to different parts of the cell. cell wall nucleus ribosome vacuole

Explanation:

The nucleus contains the cell's genetic material (DNA). It controls and coordinates cellular activities by sending instructions to different parts of the cell. The cell - wall provides structural support and protection, the ribosome is involved in protein synthesis, and the vacuole is mainly for storage and maintaining cell turgor.

Answer:

nucleus