(ii) How is the occurrence of active transport in cell related with the structure of the plasma membrane? (02 marks) (iii) What evidence is there to account for the fact that active transport requires energy and it is selective? (02 mark) (b) Summarize the events that occur in the plant cells when it achieves full turgor (2 marks) (c) figure 6 represents the apparatus demonstrating the mass flow hypothesis. (i) Referring to figure 6, suggest which vessels are represented; T and U in plants (1mark) Vessel T …………………………………………………………… Vessel U …………………………………………………………… (ii) List two weakness of the above hypothesis (2 marks)
(ii) How is the occurrence of active transport in cell related with the structure of the plasma membrane? (02 marks) (iii) What evidence is there to account for the fact that active transport requires energy and it is selective? (02 mark) (b) Summarize the events that occur in the plant cells when it achieves full turgor (2 marks) (c) figure 6 represents the apparatus demonstrating the mass flow hypothesis. (i) Referring to figure 6, suggest which vessels are represented; T and U in plants (1mark) Vessel T …………………………………………………………… Vessel U …………………………………………………………… (ii) List two weakness of the above hypothesis (2 marks)
Cell-Physiology-diffusion-osmosisactive-transport.docx