PowerPoint, worksheet and model answer sheet covering OCR Biology A 3.1.1 Exchange surfaces (f) the mechanisms of ventilation and gas exchange in bony fish and insects

PowerPoints, worksheets and model answer sheets covering OCR Biology A 2.1.5 Biological membranes (e) (i) the movement of water across membranes by osmosis and the effects that solutions of different water potential can have on plant and animal cells (ii) practical investigations into the effects of solutions of different water potential on plant and animal cells.

PowerPoint, worksheet and model answer sheet covering OCR Biology A 5.2.1 Photosynthesis (a) the interrelationship between the process of photosynthesis and respiration

Worksheets and model answer sheets covering OCR Biology A 2.1.5 Biological membranes (a) the roles of membranes within cells and at the surface of cells

PowerPoint, worksheet and model answer sheet covering OCR Biology A 5.2.2 Respiration (a) the need for cellular respiration

PowerPoint, worksheet and model answer sheet covering OCR Biology A 5.2.1 Photosynthesis (d) the light-dependent stage of photosynthesis

PowerPoint, worksheet and model answer sheet covering OCR Biology A 5.2.1 Photosynthesis (g) (i) factors affecting photosynthesis

PowerPoint, worksheet and model answer sheet covering OCR Biology A 5.2.2 Respiration (i) (i) the process of anaerobic respiration in eukaryotes

PowerPoint, worksheet and model answer sheet covering OCR Biology A 5.2.2 Respiration (d) the link reaction and its site in the cell (e) the process and site of the Krebs cycle (f) the importance of coenzymes in cellular respiration

PowerPoint, worksheet and model answer sheet covering OCR Biology A 5.1.2 Excretion as an example of homeostatic control (a) the term excretion and its importance in maintaining metabolism and homeostasis

PowerPoint, worksheet and model answer sheet covering OCR Biology A 5.2.2 Respiration (g) the process and site of oxidative phosphorylation

PowerPoint, worksheet and model answer sheet covering OCR Biology A 5.2.2 Respiration (k) the use and interpretation of the respiratory quotient (RQ)

PowerPoint, worksheet and model answer sheet covering OCR Biology A 5.2.2 Respiration (b) the structure of the mitochondrion

PowerPoint, worksheet and model answer sheet covering OCR Biology A 5.2.2 Respiration © the process and site of glycolysis

PowerPoint, worksheet and model answer sheet covering OCR Biology A 5.1.2 Excretion as an example of homeostatic control © (i) the structure, mechanisms of action and functions of the mammalian kidney

PowerPoint, worksheet and model answer sheet covering OCR Biology A 5.1.2 Excretion as an example of homeostatic control (b) (i) the structure and functions of the mammalian liver - FUNCTION

PowerPoint, worksheet and model answer sheet covering OCR Biology A 5.1.2 Excretion as an example of homeostatic control © (i) the structure, mechanisms of action and functions of the mammalian kidney

PowerPoint, worksheet and model answer sheet covering OCR Biology A 5.1.2 Excretion as an example of homeostatic control (b) (i) the structure and functions of the mammalian liver

PowerPoint, worksheet and model answer sheet covering OCR Biology A 5.1.2 Excretion as an example of homeostatic control (d) the control of the water potential of the blood

PowerPoint, worksheet and model answer sheet covering OCR Biology A 5.1.2 Excretion as an example of homeostatic control (e) the effects of kidney failure and its potential treatments