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Module 5: Communication, Homeostasis and Energy (Energy for Biological…
Module 5: Communication, Homeostasis and Energy
Homeostasis
Energy for Biological Processes
Photosynthesis
Chloroplasts
Structure of Chloroplasts
Chlorophyll
Pigment molecules in Chloroplasts that absorb different wavelengths of light. Chlorophyll absorbs mainly red and blue light and so reflects green light (hence the colour)
Chlorophyll A
Chlorophyll B, Xanthopylls and Cartenoids absorb different wavelengths of light than Chlorophyll A These are all located in the Thylakoid membrane
Located in the Reaction Centre
Stroma
The matrix of a chloroplast, in which the grana are embedded
Grana (singular Granum)
The stacks of thylakoids embedded in the stroma of a chloroplast
Thylakoid
Each of a number of flattened sacs inside a chloroplast, bounded by pigmented membranes on which the light reactions of photosynthesis take place, and arranged in stacks or grana
Intergranal Lamella
Connections between Grana
Light Dependent Stage
Non-Cyclic Photophosphorylation
Light Independent Stage
Respiration
Hormonal Communication
Neuronal Communication