photosynthesis 3.3 Flashcards

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1
Q

what is stage one in photosynthesis

A

light reactions

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2
Q

what happens in light reaction stage

A

ligfht energy is trapped by chlorophyll and turned into chemical energy, water is split into hydrogen and oxygen. hydrogen moves to stage 2 and oxygen diffuses out of the cell..

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3
Q

what happens in carbon fixation

A

a series of enzyme controlled reactions, which combine hydrogen and ATP with carbon to produce sugar.

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4
Q

what are the 3 fates of sugar

A

respiration, storage in the form of starch and structural in the form of cellulose

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5
Q

what are the 3 limiting factors of photosynthesis

A

light intensity, carbon dioxide concentration and temperature

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6
Q

diagram of stage one

A

light
!
ATP<!water > oxygen(diffuses out)
!
hydrogen(moves to stage 2)

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7
Q

diagram of stage 2

A

ATP+ hydrogen + carbon dioxide = sugar
!
series of
enzyme controlled reactions

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8
Q

full photosynthesis diagram

A

light energy
!
carbon dioxide + water > oxygen + sugar

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