In photosynthesis, the first step is:

Question

In photosynthesis, the first step is: (A) Conversion of PG to PGA (B) Carboxylation of RUBP (C) Electron release by chlorophyll-a (D) Photolysis of water.

Tardigrade Admin · Accepted Answer

The light reaction begins with the absorption of the sunlight and it causes an electron of reaction center to be in an excited state. Since reaction center is a specialized chlorophyll-a molecule therefore first step in the light reaction is excitation and release of an electron from chlorophyll-a.

Q. In photosynthesis, the first step is:

Conversion of PG to PGA

Carboxylation of RUBP

Electron release by chlorophyll-a

Photolysis of water.

The light reaction begins with the absorption of the sunlight and it causes an electron of reaction center to be in an excited state. Since reaction center is a specialized chlorophyll-a molecule therefore first step in the light reaction is excitation and release of an electron from chlorophyll-a.