Cambridge IGCSE

(a) Complete Table 6.1 to show the names, functions and sites of action of the three different digestive enzymes.Table 6.1name of enzymefunctionsite of actionpepsintrypsi

The Arabian oryx and the northern white rhinoceros are both mammals.Fig. 5.1 is a photograph of an Arabian oryx. Fig. 5.2 is a photograph of a northern white rhinoceros.F

(a) Fig. 4.1 is a diagram of Vibrio cholerae, the bacterium that causes cholera.Fig. 4.1(i) Describe two similarities and two differences between a palisade mesophyll cel

(a) A scientist investigated the effect of temperature on the mass of leaves picked from a tea plant, Camellia sinensis.Fig. 3.1 shows the results.Fig. 3.1(i) Explain the