Question

Differences between cyclic and non cyclic photophosphorylation. ​

Answer 1

Explanation:

Cyclic Photophosphorylation:

1. Involvement of only PS-I

2. No evolution of oxygen and photolysis of water.

3. Electron released from PS-I comes back to it through electron carriers.

4. It synthesizes only ATP.

5. It takes place in isolated chloroplast and bacterial photosynthesis.

6. No effect of DCMU.

Non Cyclic Photophosphorylation:

1. Involvement of both PS-I and PS-II.

2. Associated with oxygen evolution and photolysis of water.

3. Electron releaved from PS-II is utilised in PS-I, and does not come back.

4. Both ATP and NADPH2 are synthesized.

5. Commonly takes place in green plants.

6. DCMU inhibits the process.

Answer 2

Answer:

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