Question

What is the substance that connects light reaction and dark reaction ?How

Answer 1

ATP and NADP formed in the light reaction are later used up in the dark reaction.This acts as connection between light and dark reaction.

Answer 2

Answer:

Hydrogen ..ATP&NADPH

Explanation:

Hydrogen is the connecting substance between light and dark reactions..

NADP+H =NADPH

ATP and NADPH are Assimilatory powers.

Hope this helps :)