Answer:
*The two cellular structure that work together to synthesize, modify and transport macromolecules within the cell is endoplasmic reticulum and golgi apparatus.
*The endoplasmic reticulum is a synthesis and transport organelle that branches into the cytoplasm in the plant and the animal cell.
*The golgi apparatus is a multi compartmentalized organelle where where the synthesized molecules are packaged for delivery to the other cell components or for the secretion from the cells.
Step-by-step explanation: