-A cell like organelle present in algae and plants that contains chlorophyll and carries out photosynthesis
Stroma
Semi-liquid substance that surrounds the thylakoid membrane
Granum
A stacked membranous structure within a chloroplast that contains the chlorophyll.
-Is site of The Light Reaction in photosynthesis
Stroma Lamella
Connections between Grana
Thylakoid
In chloroplasts, a complex, organized, internal membrane composed of flattened disks which contain the photosystems involved in the light dependent reactions of photosynthesis
Reaction Center
Consists of 1 or more Chlorophyll a molecules in the matrix of protein, that passes electrons out of the photosystem
Light Reaction
Light energy to make NADPH and ATP.
Atmospheric Composistion
78% Nitrogen
21% Oxygen
1% Others
Chlorophyll function and structure
Function = Captures photons of light
Structure = Hydrophobic Tail + Ring of excitation
Chlorophyll a
-Main photosynthetic pigment in plants and cyanobacteria.
-The only pigment that can act directly to convert light energy into chemical energy
-Absorbs the 1st pigment (shortest wavelength) in the visible light spectrum
Chlorophyll b and Carotenoids
-Acts as an accessory pigment (secondary light absorbing pigment)
-Complements and adds to the light absorption of chlorophyll a
- Increases range of wavelengths
-Cannont directly convert light energy into chemical energy