Caxton EDEXCEL Photosynthesis introduction Y13

The substrates of P/S are

• Glucose and CO2

• Glucose and O2

• CO2 and H2O

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Photolysis is when light energy splits water and makes

• hydrogen and electrons and O2

• Hydrogen and O2

• Hydrogen ions, electrons and O2

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Photolysis takes place in the

• cytoplasm

• thylakoid space

• the thylakoid membrane

• stroma

Glucose is made

• when CO2 and H2O join

• When the hydrogen from water joins with CO2

• in photosynthesis

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Photolysis is a stage of

• LDS

• LIS

• Photosynthesis

• splitting water

Why is the dark satge not a good name for the LIS

• Dark is needed

• Light is needed

• Light is not needed, but light present doesn´t stop the LIS

NADP

• is made of protein

• Is a coenzyme and so catalyses reactions

• is a coenzyme and so assists an enzyme by carrying hydrogen to the enzyme

• What is NADP

ATP has

• the same amount of energy in its bonds as ADP

• less energy in its bonds as ADP

• more energy in its bonds as ADP

Phosphorylation is

• the breaking of a phosphate bond from ATP

• the making of a phosphate bond.

• the hydrolysis of ATP

Non cyclic photophosphorylation

• makes ATP and reduced NADP

• only ATP

• only reduced NADP