2.3.3. The protein in the diagram transverses (extends across) the structure. Describe the function of the protein, with reference to the biological process. (4)

3.2.1. Identifiseer die weefsel of dele genommer in diagram 1 as A, C, D en H onderskeidelik. (4)     A [A] C [C] D [D] H [H]    

3.1.2. Noem twee ander faktore, behalwe rook, wat longkanker kan veroorsaak.   (2)

1.4 Andrew set up an investigation to test for the rate of transpiration using a leafy twig, electric fan and potometer. His results are shown in the table below. Study the diagram and table below and answer the questions that follow.   TO VIEW THE DIAGRAM, RIGHT CLICK ON THE BUTTON BELOW AND OPEN IT IN A NEW WINDOW:       Fan speed setting Distance of water movement in potometer in 2 hours (mm) Off 0 Slow 2 Medium 5 High 6

  b)  Describe how the tissue at L is best adapted for its function. (5)

3.2.4. Identify which LETTER in Diagram 1 has the same function as part M in Diagram 2. (2)

1.4.1 Give a hypothesis for Andrew’s investigation (2)

2.1.4 Explain how you would test for fat in goat’s milk. (3)

2.2.4. Noem die struktuur wat die dogter chromosome  trek na die teenoorgestelde pole.  (1)

  c)  Noem die selle wat verantwoordelik is vir die vorming van hierdie weefsel. (2)