Cl), formation of plastocyanin (Cu). . Air pollutants Pollutants like SO , NO , O (Ozone) and Smog affects rate of photosynthesis. .
. Internal Factors . Photosynthetic Pigments It is an essential factor and even a small quantity is enough to carry out photosynthesis. .
Protoplasmic factor Hydrated protoplasm is essential for photosynthesis. It also includes enzymes responsible for Photosynthesis. Table . : Difference between photosynthesis in plants and photosynthesis in bacteria Photosynthesis in Plants Photosynthesis in Bacteria .
Cyclic and non-cyclic phosphorylation takes place . Only cyclic phosphorylation takes place . Photosystem I and II involved . Photosystem I only involved .
Electron donor is water . Electron donor is H S . Oxygen is evolved . Oxygen is not evolved .
Reaction centres are P700 and P680 . Reaction centre is P . Reducing agent is NADPH H . Reducing agent is NADH H .
PAR is to nm . PAR is above nm . Chlorophyll, carotenoid and xanthophyll . Bacterio chlorophyll and bacterio viridin .
Photosynthetic apparatus – chloroplast . It is chlorosomes and chromatophores the acceptor molecule and the first product is PGA (3C). Carbon pathway in C plants involves mesophyll and bundle sheath cells, Kranz anatomy. Dimorphic chloroplast, no photorespiration, acceptor molecule as PEP and first product as OAA (4C) are some of the unique characters of C cycle.
C Cycle or photorespiration is operated when less amount of CO is used for reduction and O increases. Rubisco starts to play oxygenase role. Succulent and xerophytic plants show reverse stomatal rhythm as they open during night time and close during day time and follow CAM cycle. Night time produces malic acid and during day time malate is converted into pyruvate and produces CO which is reduced to carbohydrates.
Photosynthesis is affected by internal and external factors. Bacterial photosynthesis is the primitive type of photosynthesis and it involves only photosystem I. Evaluation . Assertion (A): Increase in Proton gradient inside lumen responsible for