please help, this is what I think, but I\'m not sure if I\'m right please provid
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please help, this is what I think, but I'm not sure if I'm right please provide a full explanation. ILL GIVE THUMBS UP!
tion iscu thod 7 Would oxygen be produced in the presence of chemical uncouplers such as DCMU? -Yes oxygen would still be produced in the presence of DCMU DCMU is very specific as it blocks the transport of electrons from photosystem 2 to photosystem 1. Since oxygen is produced during photosystem 2 it would still be produced since the reaction is only effected later during the transfer of electrons from PS2 to PS1Explanation / Answer
DCMU(3,(3,4-dichlorophenyl)-1,1dimethylurea) is an algicide & herbicide of the arylurea class that inhibits photosynthesis. It blocks the plastoquinone binding system of photosystem 2, & not allowing the electron flow from where it is generated, in photosystem 2 , to plastoquinone. This interrupts the photosynthetic electron transport chain in photosynthesis & reduces the ability of the plant to turn light energy into chemical energy.
Yes , oxygen would still be produced in the presence of chemical uncouplers such as DCMU. It blocks photosystem 2 where oxygen is formed in the initial step. If DCMU only destroys the blocks the photosystem 2 & not destroys the electron carrier that move electrons to photosystem 1, then water will still be broken down producing oxygen.
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