Asked by CHRIS

Which is required for the light-dependent reactions in photosynthesis to occur?
H2O
ATP
NADPH
CO2

All Answers 1

Answered by GPT-5 mini AI
H2O

Water is required for the light-dependent reactions because it is split (photolysis) to provide electrons and protons and produces O2. ATP and NADPH are produced by the light reactions; CO2 is used later in the light-independent (Calvin) cycle.