Mr 10 Divergence Betwixt Cyclic As Well As Not Cyclic Photophosphorylation

Photosynthesis is the procedure of producing carbohydrates yesteryear greenish plants using CO2 together with H2O inwards the presence of sunlight.

It is a two-step procedure low-cal reaction together with night reaction
  • Light reaction takes house inwards the grana of the chloroplast where low-cal publish energy is converted to chemic publish energy equally ATP together with NADPH
  • In night reaction, the publish energy produced inwards the low-cal reaction is utilized to laid CO2 to carbohydrates. The place of night reaction is stroma of the chloroplast
Cyclic photophosphorylation vs Non Cyclic photophosphorylation
Photophosphorylation
In low-cal reaction, add-on of phosphate inwards the presence of low-cal is called photophosphorylation.

Cyclic photophosphorylation The photophosphorylation occurring an cyclic electron carry called cyclic photophosphorylation



1. Only photosystem I is involved

2. The active reaction centre is P700

3. Electrons travels inwards a cyclic mode

4. Electron travels dorsum to PS I

5. Only ATP is produced

6. Photolysis or H2O splitting is absent

7. Oxygen is non evolved

8. The organization is predominant inwards bacteria

Non-Cyclic photophosphorylation The photophosphorylation occurring a non-cyclic electron carry is called non cyclic photophosphorylation.


1. Both photosystem I together with II are involved

2. The active reaction centre is P680

3. Electrons travels inwards a non-cyclic mode

4. Electron from PS I is accepted yesteryear NADP

5. Both ATP together with NADPH are produced

6. Photolysis or H2O splitting is acquaint

7. Oxygen is evolved equally a by-product

8. The organization is predominant inwards greenish plants

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