6- State 2 functions carried out by the proteins of the cell membrane
7- red blood cell in very concentrated salt solution, solution is hypertonic or hypotonic?
8- What word is used to describe the effect of a hypertonic solution of sugar on red onion cells?
9- What is characteristic of active transport? (2 answers)
Answers 1- transport of water/ minerals + Structural support to the plant 2- Cellulose 3- Freely permeable 4- lipids and proteins 5- repelled by water/ water hating 6- 7- hypertonic 8-Plasmolysed 9- requires energy + against the concentration gradient.