Question

In brief state what happens when
a) dry apricot are left for sometime in pure water and later transferred to sugar
b) a red blood cell is kept in a concentrated saline solution.
c) plasma membrane breaks down.
d) Rio leaf are boiled in a water first and then a drop of sugar solution is put on it.
e) Golgi apparatus is removed from the cell.

Answer 1

(a) Dry apricots when placed in pure water swell due end osmosis (inward movement of water) and later when are transferred sugar solution exosmosis (outward movement of water) occurs and they shrink again.

(b) When a Red Blood Cell is placed in concentrated saline solution exosmosis occurs and the RBCs shrink due to excess loss of water.

(c) Breaking of the plasma membrane leads to the scattering of the cell organelles as it forms the basic supporting unit of the cell and there will be no functioning of the organs.

(d) When Rheo leaves are boiled in water first and then a drop of sugar syrup is put on it, osmosis does not occurs, due to the death of the cells of the leaf. This shows that selective permeability is property of living plasma membrane.

(e) Golgi apparatus helps in the package, storage and transfer of proteins synthesized by ribosomes. Thus, when golgi apparatus are removed the cell will not function properly.