Consider the following developments in cell biology: P. Robert Brown described the nucleus. Q. Camillo Golgi observed de
Robert Brown described the nucleus in 1831, Camillo Golgi observed the Golgi structures in 1898, George Palade observed ribosomes in 1953, and Singer and Nicolson proposed the fluid mosaic model in 1972.
Ref: NCERT Class 11 Biology Chapter 8: Cell: The Unit of Life Eukaryotic Cell - Cell Wall and Cell Membrane - Fluid Mosaic Model
