Question

what is the main function of ribosomes in a plant cell? to use energy from sunlight to make sugar to make lipids to make proteins to give strength and stiffness to the cell

Explanation:

Ribosomes are the sites of protein - synthesis in cells. Chloroplasts use sunlight to make sugar, smooth endoplasmic reticulum makes lipids, and the cell wall gives strength and stiffness to plant cells.

Answer:

to make proteins