Question

what is the main function of the smooth endoplasmic reticulum in a plant cell? to make lipids to store water, waste, and nutrients, such as sugar, in the cell to break down sugar and release energy that the cell can use to support movement within the cell

Explanation:

The smooth endoplasmic reticulum (SER) is involved in lipid synthesis in plant cells. Storing water, waste and nutrients is a function of the vacuole. Breaking down sugar for energy is a function related to mitochondria. Supporting movement within the cell is related to the cytoskeleton.

Answer:

to make lipids