IB Biology Topic A2.1: Origins of Cells Notes

A2.1.1 Conditions on early Earth and the pre-biotic formation of carbon compounds (HL only)

7 minute read

A2.1.2 Cells as the smallest units of self-sustaining life (HL only)

7 minute read

A2.1.3 Challenge of explaining the spontaneous origin of cells

6 minute read

A2.1.4 Evidence for the origin of carbon compounds

8 minute read

A2.1.5 Spontaneous formation of vesicles by coalescence of fatty acids into spherical bilayers

6 minute read

A2.1.6 RNA as a presumed first genetic material

8 minute read

A2.1.7 Evidence for a last universal common ancestor

4 minute read

A2.1.8 Approaches used to estimate dates of the first living cells

5 minute read

A2.1.9 Evidence for the evolution of the last universal common ancestor

5 minute read