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Osmotic Function - Essential Elements
Plant cells generally contain mineral ions 10 to 1000 times higher in concentration than the surrounding soil. That is why water enters the cells by osmosis and builds up turgor. You know that turgor maintains the shape and size of non-rigid plant parts such as leaves. Potassium is a key ion in this respect. Changes in its concentration in guard cells affect turgor and thus result in opening and closing of stomata. Turgor is also essential for the growth of plant cells.
TRANSPOR T THROUGH P.M. P.M. regulates transport of materials in and outside of cell P.M. is semi- permeable as it allows rapid passage to water molecules. P.M. is selectively
Which are the structures that are part of the nervous system? The structures that form the nervous system can be separated into the central nervous system (CNS) and the periphe
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What is Coevolution ? There is considerable evidence that supports an interesting theory that two individual species can affect each others evolution in reciprocal fashion. In
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What is the logic of the transfusional compatibility concerning the ABO blood group system? The transfusional compatibility for the ABO system takes into account the antigens s
Q. Explain Hydraulic Formula? This relates to pressure gradient and velocity of flow: V2 = (Cv)2 2gh or V = (Cv) 2gh Wherein, V = velocity of flow Cv = coefficient
what are golgi apparatus
Q How many germ layers originate the body of platyhelminthes? In relation to this characteristic how are these animals classified? Platyhelminthes are the first triploblastic a
Genetic Diversity of Population The biological diversity of animals, plants, and microorganisms is of fundamental importance to human survival. The term "gene resources" may b
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