The Origin of Cells (1.5) IB Diploma Biology. Cell theory states that: All living things are composed of cells (or cell products) The cell is the smallest.
Carbon Cycles & Climate Change (4.3-4.4) IB Diploma Biology.
By Chris Paine Essential Idea: Membranes control the composition of cells by active and passive transport. Membrane Transport.
Molecules to Metabolism (2.1) IB Diploma Biology.
