OCR: A-Level Biology Notes

2.1.1

Cell structure

2.1.2

Biological molecules

2.1.3

Nucleotides and nucleic acid

2.1.4

Enzymes

2.1.5

Biological membranes

2.1.6

Cell division, cell diversity, and cellular organisation

3.1.1

Exchange surfaces

3.1.2

Transport in animals

3.1.3

Transport in plants

4.1.1

Communicable diseases, disease prevention, and the immune system

4.2.2

Biodiversity

4.2.2

Classification and evolution

5.1.1

Communication and homeostasis

5.1.2

Excretion as an example of homeostatic control

5.1.3

Neuronal communication

5.1.4

Hormonal communication

5.1.5

Plant and animal responses

5.2.1

Photosynthesis

5.2.2

Respiration

6.1.1

Cellular control

6.1.2

Patterns of inheritance

6.1.3

Manipulating genomes

6.2.1

Cloning and biotechnology

6.3.1

Ecosystems

6.3.2

Populations and sustainability