Class 11 NEET Biology Cell - The Unit of Life Questions Part 1

(c) : The ribosomes provide space for the synthesis of proteins in the cell. Hence, they are known as the "protein factories" of the cell. The ribosomes bound to the membranes generally synthesize proteins for export as secretions by exocytosis, or for incorporation into membranes, or for inclusion into lysosomes. The free ribosomes generally produce enzymic proteins for use in the cell itself.