MICROPHOTOMETRIC DETERMINED OF AMYLOPLASTS DNA CONTENT OF DIFFERENT DEVELOPMENTAL PERIODS IN COTYLEDON CELL OF BROAD BEAN THE RELATIONSHIP AMONG AMYLOPLAST CORE, CRYSTAL STRUCTURE AND THE AMYLOPLAST DNA DURING AMYLOPLAST DEVELOPMENT OBSERVATION ON THE AMYLOPLASTS DEVELOPMENT AND BIOMACROMOLECULES OF PLASTID IN DEVELOPING COTYLEDON OF CELLS OF LOTUS Dynamic Change of Amyloplast DNA in Developing Cotyledon Ceils of Lotus