Practice question
Question
Consider the following developments in cell biology:
P. Robert Brown described the nucleus.
Q. Camillo Golgi observed densely stained reticular structures near the nucleus.
R. George Palade observed ribosomes as dense particles under the electron microscope.
S. Singer and Nicolson proposed the fluid mosaic model.
Which sequence arranges these developments from earliest to latest?
Explanation
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.
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