tonicity

The partial contraction of a relaxed muscle is called tonus. During muscle contraction, the tonicity increases as more and more motor units come into the phase of contractio..

Cell walls in living organisms are seldom perfectly semipermeable. Usually they permit passage to some of the simpler substances and then these substances fail to register an osmotic pressure contribution on the cell walls. The reduced osmotic pressure of a solution operating on a particular ..

Heavy water of high concentration retards the growth of plants and animals. For example, tobacco seeds do not grow in heavy water. Pure heavy water kills small fishes, tadpoles and mice when fed. Heavy water has germicide and bactericide properties too. Water containing small quantity of D 2 O act..

Colour Yellow due to the presence of a pigment called urochrome formed by the breaking down of the haemoglobin of the red blood corpuscles Specific gravity 1.003 - 1.040 Tonicity Hypertonic pH Acidic Odour Ammoniacal particularly is stale. This is because b..