Differentiate between Cyclic & Non-cyclic photophosphorylation.

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answered Jan 6, 2023 by AnshulChandore (70.5k points)
selected Jan 7, 2023 by Sakshitripathi

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Differences between Cyclic Photophosphorylation and Non-Cyclic Photophosphorylation

Cyclic Photophosphorylation	Non-Cyclic Photophosphorylation
PS I only involved.	PS I and PS II involved.
The reaction centre is P700.	The reaction centre is P680.
Electrons released are cycled back.	Electron released are not cycled back.
Photolysis of water does not take place.	Photolysis of water takes place.
Only ATP synthesized.	ATP and NADPH + H⁺ are synthesized.
Phosphorylation takes place at two places.	Phosphorylation takes place at only one place.
It does not require an external electron donor.	Requires external electron donor like H₂0 or H₂S.
It is not sensitive to dichloro dimethyl urea (DCMI).	It is sensitive to DCMI and inhibits electron flow.