Light-Induced Damage of Pheophytin a Molecule in the Isolated Photosystem Ⅱ Reaction Center D1/D2/Cyt b559 Complex Photoreduction of Cytochrome b559 in the Photosystem Ⅱ Reaction Center Complex Observation of One Pheophytin a Molecule Not Associated with Primary Photochemistry in the Isolated Photosystem Ⅱ Reaction Center D1/D2/Cyt b559 Complex Light-Induced Damage of Amino Acid Residues and Degradation of Polypeptides in D1/D2/Cytochrome b559 Complex Photodamage to Pigment in the Photosystem II Reaction Center D1/D2/Cytochrome b559 Complex Diurnal Photosynthesis and Photoinhibition of Rice Leaves with Chlorophyll Fluorescence Effects of simulated acid rain stress on the PSⅡ reaction center and free radical metabolism in leaves of longan Light Reaction Characteristics in Functional Leaves of Liangyoupeijiu in the Reproductive Growth Stage Influence of Replacing Bacterial Pheophytin with Pheophytin on the Picosecond Fluorescence from Reaction Centers of Purple Bacteria Quantum Chemical Studies on Proteins in the Reaction Center of Rhodobacter sphaeroides Light-Induced Damage of Histidine Residues in Photosystem II Reaction Center D1/D2/cyt b559 Complex Isolation and Characterization of Photosystem Ⅱ Reaction Center D1-D2-Cytochrome b-559 Complex from the Chloroplasts of Spinach Comparative Studies on the Spectral Characteristics and Components of Chlorophyll-Protein Complex CPa Band from Three Different Preparations Effects of Drought Stress on the Photoprotection in Ammopiptanthus mongolicus Leaves