Similarities And Differences Between Prokaryotic And Eukaryotic Cells

1563 Words Oct 22nd, 2015 7 Pages
Edouard Chatton (cities in Soyer- Gobillard, 2006) in 1925, was first to divide cells into either prokaryotes or eukaryotes. Eukaryotic cells are typically larger and include protists, plants, fungi and animal cells. They are described as ‘a type of cell with membrane-enclosed organelles and membrane-enclosed nucleus’ (Cain et al, 2014, p171). A typically smaller prokaryotic cell ‘lacks a membrane-enclosed nucleus and membrane-enclosed organelles’; this term includes the domains of bacteria and Archaea (Cain et al, 2014, p171).
Prokaryotic cells evolved earlier than Eukaryotic cells this is shown by the fact that Prokaryotic means ‘before nucleus’, this earlier evolution resulted in many differences seen between these cell types (Cain et al, 2014, p172), such as different organisation within the cell. However because all cells are thought to have evolved from a Last Universal Common Ancestor (LUCA) (Heaphy, S, 2015) similarities between these cells are also seen such as ribosomes, however further difference can be found within these similarities. Some of these key differences can be seen in the figures below.

Figure 1: A typical prokaryotic cell. Left is a diagram of typical prokaryotic bacteria with subcellular structures labelled. Right is an electron microscope of a prokaryotic cell (Taken from Bevington, A, 2015)

Figure 2: A typical eukaryotic cell. A diagram of typical eukaryotic animal cell with subcellular structures labelled (Taken from Bevington, A, 2015).…
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