Question

Question #a23e3

Answer 1

Plant cell wall is selectively permeable.

Explanation:

ITS semi permeable layer allows the different substances to enter and leave the cell at significantly different rates.

for example,
lipid solid substances penetrated fast whereas water soluble substances did not.

Answer 2

Plant cell wall is permeable to ions and selectively permeable to proteins upwards of 60kDa.

Explanation:

Cellulose makes up the majority of the cell wall, with lectin and pectin for providing further mechanical strength. Cell wall surrounds cell membrane, which is selectively permeable.