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Cell

Outer membrane of Cell – Cell membrane / Plasma membrane

 Outer membrane of Cell [A] Cell membrane / Plasma membrane Position – This is the outer covering of the animal and plant cells which encloses the mass of cytoplasm and gives separate identity to the cell. Characteristics – (i) Selectively permeable so allow only selected substances to pass in (water, salt, oxygen) and out (carbon …

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Cell : The Fundamental Unit of Life

Introduction If something is living, it will carry out all the seven functions which are [highlight]movement, reproduction, sensitivity, nutrition, excretion, respiration and growth[/highlight]. Some non living things may show one or two of the seven characteristics of living things but not all of them. For ex.-car moves, crystals grow in size during crystallization process. [pullquote-right]“Thus, the …

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