11.1: Photosynthesis Flashcards

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1
Q

Main photosynthetic structure in eukaryotic plants

A

leaf

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2
Q

Chloroplasts

A

cellular organelles where photosynthesis occurs

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3
Q

Overall symbol equation for photosynthesis

A

6CO2 + 6H2O > C6H12O6 + 6O2

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4
Q

Overall word equation for photosynthesis

A

carbon dioxide and water > glucose and oxygen

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5
Q

Main stages in photosynthesis

3

A
  • capturing of light energy
  • the light-dependent reaction
  • the light-independent reaction
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6
Q

Grana

A

Stacks of up to 100 thylakoids

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7
Q

Thylakoids

A

disc like structures that make up the grana

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8
Q

Tubular extensions

A

some thylakoids have tubular extensions that join up with thylakoids in adjacent grana

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9
Q

Where is chlorophyll found in chloroplasts

A

thylakoids

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10
Q

Stroma

A

fluid-filled matrix where light-independent stage of photosynthesis occurs

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11
Q

Structures found in the stroma

A

starch grains

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12
Q

Light-dependent reaction

A

Involves the capture of light whose energy is used for two purposes

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13
Q

Uses of energy captured from light in light-dependent reaction
2

A
  • forming ATP from ADP and Pi

- photolysis

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14
Q

Photolysis

A

Replacement electrons for the ionised chlorophyll molecule are provided by water molecules that are split by light

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15
Q

Photolysis equation

A

2H2O > 4H+ + 4e- + O2

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16
Q

Reduction

A

the gain of electrons or hydrogen or the loss of oxygen

17
Q

Oxidation

A

the loss of electrons or hydrogen or the gain of oxygen

18
Q

OILRIG

A

oxidation is loss, reduction is gain

19
Q

Photoionisation

A

A chlorophyll molecule absorbs light energy which boosts a pair of electrons to a higher energy level and the electrons are in an excited state causing them to leave the molecule which ionises the chlorophyll molecule.

20
Q

Chemiosmotic theory

A

The mechanism by which ATP is produced.

21
Q

page 274

A

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