ORGANELLE

MAIN FUNCTIONS

DIMENSIONS

Nucleus

Cell division, protein synthesis

10 µm diameter

Mitochondrion

Respiration pathways

1.0 to 12.5 µm

Chloroplast

Photosynthetic pathways

5 to 10 µm diameter

Lysosome

Digestion, recycling & isolation

0.5 to 3.0 µm diameter

Golgi apparatus

Secretion, reprocessing, lysosome synthesis

Cisternae: 0.5µm thick, l-3µm diameter

Endoplasmic Reticulum (ER)

Support, Golgi apparatus synthesis.

26 to 56 nm thick

Ribosome

Protein synthesis

20 nm diameter