The Ultracytochemical Localization of ATPase Activity in the Ovules of Antirrhinum majus L. Quantification of Mitochondrial DNA Copies in Central Cells of Antirrhium majus Study on Morphogenetic Response in Hypocotyl Segments of Antirrhinum majus Isolation and Identification of Viable Embryo Sacs in Several Angiosperm Species Isolation and Identification of Integumentary Tapetal Wall Sac in Antirrhinum majus L. GENE TRANSFORMATION AND TRANSGENIC PLANTS REGENERATION OF ANTIRRHINUM MAJUS WITH AGSOBACTERIUM TUMEFACIENS Isolation and Cultural Behavior of Pollen Tube Subprotoplasts in ,Antirrhinum majus L.