Question

what is the main function of the endoplasmic reticulum in a plant cell? to help ribosomes make proteins to contain the information that the cell uses for growth and activities to direct cell activities by sending instructions to different parts of the cell to break down sugar and release energy that the cell can use

Explanation:

The endoplasmic reticulum (ER) has two types: rough ER (with ribosomes) and smooth ER. The rough ER helps ribosomes in protein synthesis. The nucleus contains genetic information (not the ER). The nucleus directs cell activities. Mitochondria break down sugar for energy.

Answer:

to help ribosomes make proteins