Photosynthesis Flashcards

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1
Q

What are the limiting factors?

A

CO2 concentration
Light intensity
Temperature

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2
Q

How does light intensity affect the rate of photosynthesis?

A

Increase increase up till plateau
More light energy for photoionisation
More energy for photolysis and photo-phosphorylation
More energy for the production of ATP and NADPH
faster LD
Faster LID- ATP and NADPH needed for reduction of GP into TP, ATP also needed for the regeneration of NADPH

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3
Q

ATP in photosynthesis

A

Produced: photo-phosphorylation LD
Used: Reduction of GP, regeneration of RuBP LID

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4
Q

How does CO2 conc limt photosynthesis?

A

Limits the LID reaction
Increase increase until other becomes a limit g factor
More CO2 to combine with RuBP to form GP
More GP to be reduced into TP
More TP available to be converted into useful organic substances/ regenerate RuBP

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5
Q

RuBP

name, where? #carbons?

A

ribulose bisphosphate
LID
5c

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6
Q
GP
#carbons? #molecules? where?
A

glycerate 3-phosphate
3C
2 molecules produced
LID reaction

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7
Q

Where does each stage occur?

A

LD- grana

LID- stroma

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