Question

what is the main function of the smooth endoplasmic reticulum in a plant cell? to direct cell activities by sending instructions to different parts of the cell to make lipids to fill the space between the cell membrane and the nucleus to store water, waste, and nutrients, such as sugar, in the cell

Explanation:

The smooth endoplasmic reticulum is involved in lipid synthesis. The function of directing cell activities is mainly of the nucleus. Filling the space between the cell - membrane and nucleus is not its main function. Storing water, waste and nutrients is mainly the function of vacuoles.

Answer:

to make lipids