Define ribosomes.
The ribosomes are numerous small granules either scattered freely in the cytoplasm or attached to the membranes of the endoplasmic reticulum.
CH 2 CELL : THE UNIT OF LIFE
Define endoplasmic reticulum.
The endoplasmic reticulum is so fine in structure that its existence is revealed only through an electron microscope.
What is cytoplasm?
It is a semi-liquid substance. It occupies most part of the cell within the cell membrane.
Define cell.
The cell is the structural and functional unit of living beings.