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Pollination
Pollination refers to the transfer of pollen from dehiscing anthers to the pistil. Unlike animals, plants cannot move to their mates for sexual reproduction. Hence, they need some external device or agency for the transfer of pollen grains from the male parent to the stigma of the female parent. Exceptionally, in Vallisneria, an aquatic plant, complete male flower may be transported to the female flowers, the physical (wind and water) and biological (insects, birds and bats) agencies promote cross-pollination. The dehiscence of anthers and the transfer of pollen are the prime requirements of pollination.
Roller Pump: This is the type most commonly used in clinical perfusion. It has a circular metal housing inside which there is a rotating urn with two rollers fixed at 180 degrees
Percent solutions are made on the basis of g/ml or ml/ml of diluent, and it is usually assumed that 1 ml of water = 1 g of water. For example, 20 g/100 ml of water or 200 g/1000 ml
Do the genes of the X and Y chromosomes determine only sex characteristics? Moreover sex genes the sex chromosomes have also autosomal genes, genes that codify several proteins
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Recurrent Type In this type, euspory (seen in normal cases) is replaced by aneuspory (Diplospory) because of irregular meiosis. When the spore mother ceIl functions directly
Enumerate the term - Clinical neuroscience Clinical neuroscience concerns the study of clinical populations both to well understand neuroanatomy and to test psychological theor
Percussive instruments -this method used a selected and controlled percussive removal force -Instruments delivers an impact either directly to a restorative or indirectly t
What is lactic acid
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