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Biology Nat 5 > Photosynthesis > Flashcards

Photosynthesis Flashcards

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1
Q

Photosynthesis

A

Chemical reaction where green plants make their own food

Occurs in chloroplast

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2
Q

First stage

A

Light reactions

Light energy is trapped by chlorophyll in the chloroplast and is converted to chemical energy to make atp

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3
Q

What happens in light reactions

A

Water molecules are split to produce hydrogen and oxygen and extra oxygen is diffused our cell

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4
Q

Carbon fixation

A

Hydrogen from light reactions combined with co2 to make sugar
ATP is used in production of sugar
Sugar Available for respiration
Sugar not used can turn into start heat or cellulose

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5
Q

Start by

A

Acts as storage of energy

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6
Q

Cellulose

A

Structural component

Makes up cell wall

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7
Q

Limiting factors

A

Temperature
Light intensity
Co2 concentration

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8
Q

Word equation

A

Light energy
Co2+water————-glucose+o2
Chlorophyll

CHOG

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Biology Nat 5 (3 decks)

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