Study on the Spectra Properties of Cotyledon Thylakoid Membranes in Chlorophyll -reduced Rapeseed Mutant Cr3529 and its Wild Type Isolation of Plasma and Thylakoid Membranes from the Heterocystous Cyanobacterium Anabaena sp. PCC 7120 The Effects of Cadmium on Chlorophyll-Protein complexes and Distribution of Excitation Energy in Spinach Chloroplasts Characterization of Energy-Transduction in Thermal Pretreated Chloroplast from Spinach