Section E Membrane E1 Membrane lipid E2 Membrane protein E3 Membrane transport: small molecules E4 Membrane transport: macro- molecules.
The Cell & Mitosis Exercise 4. Anatomy of a Typical Animal Cell.
1 The nature of natural selection – 10 “New” traits can evolve although natural selection acts on existing traits –the Panda’s “thumb” –feathers –bird.
