What are the consequences of the following conditions ?
Q. (a) What are the consequences of the following conditions ?
(i) A cell having higher water concentration than the surrounding medium.
(ii) A cell having lower water concentration than the surrounding medium.
(iii) A cell having equal water concentration to its surrounding medium.
(b) Name the materials of, which the cell membrane and cell wall are composed of.
Ans.
(a) (i) The cell will loose water by osmosis, therefore, the cell will shrink. (Hypertonic solution)
(ii) The cell will gain water by osmosis therefore, the cell will swell up. (Hypotonic solution)
(iii) In case of equal concentration there will, be net movement of water, therefore, the cell will stay at same size. (Isotonic solution)
(b) • Cell membrane is composed of lipids and proteins.
• Cell wall is composed of cellulose.
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