Photosynthesis
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which chemicals are needed for the light-dependent reaction?
NADP, ADP, PI and water
Describe what happens during photoionisation in the light-dependent reaction.
• chlorophyll absorbs light • electrons are lost
Explain why a decrease in the light dependent reaction will lead to decrease in the light independent reaction
• Less ATP • Less reduced NADP
Explain why a decrease in the activity of the enzyme rubisco would limit the rate of photosynthesis.
-Less carbon dioxide reacts with RuBP -Less GP
Where precisely is rubisco found in a cell?
Stroma
Describe the effect of light energy in the light-dependent reaction of photosynthesis.
excites chlorophyll / electrons; release electron(s);
function of ATP in light independent reaction
provides the energy to reduce GP / convert GP to TP / TP to RuBP / provides phosphate to convert TP to RuBP;
function of NADPH in light independent reaction
reduces GP / to change GP to TP