Photosynthesis: Cell level systems: Biology: GCSE (9:1)

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19 Terms

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Photosynthesis

A process where plants and algae synthesise glucose from carbon dioxide and water, using light energy from the sun

<p>A process where plants and algae synthesise glucose from carbon dioxide and water, using light energy from the sun</p>
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Photosynthesis word equation

Carbon dioxide + water (+light energy) -> glucose + oxygen

<p>Carbon dioxide + water (+light energy) -> glucose + oxygen</p>
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Balanced equation for photosynthesis

6CO2 + 6H2O -> C6H12O6 + 6O2

<p>6CO2 + 6H2O -> C6H12O6 + 6O2</p>
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Glucose (C6H12O6)

The main chemical product of photosynthesis that has many different uses in a plant, including respiration

<p>The main chemical product of photosynthesis that has many different uses in a plant, including respiration</p>
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Oxygen (O2)

A waste product of photosynthesis that leaves the plant through the stomata of the leaves or can be used for respiration

<p>A waste product of photosynthesis that leaves the plant through the stomata of the leaves or can be used for respiration</p>
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Carbon dioxide (CO2)

A reactant needed for photosynthesis to synthesise glucose, this gas enters the plant via gas exchange through the stomata of the leaves

<p>A reactant needed for photosynthesis to synthesise glucose, this gas enters the plant via gas exchange through the stomata of the leaves</p>
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Water (H2O)

A reactant needed for photosynthesis to take place, water is absorbed by the roots and is transported by the xylem to reach the leaves where photosynthesis occurs

<p>A reactant needed for photosynthesis to take place, water is absorbed by the roots and is transported by the xylem to reach the leaves where photosynthesis occurs</p>
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Endothermic reaction

A chemical reaction where energy is taken in from the surrounding environment

<p>A chemical reaction where energy is taken in from the surrounding environment</p>
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Chloroplast

An organelle found in plant and algae cells where photosynthesis occurs

<p>An organelle found in plant and algae cells where photosynthesis occurs</p>
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Chlorophyll

A green pigment in plants that absorbs light energy used to carry out photosynthesis

<p>A green pigment in plants that absorbs light energy used to carry out photosynthesis</p>
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Temperature effect

Photosynthesis rate increases to an optimum and then decreases due to denaturing enzymes

<p>Photosynthesis rate increases to an optimum and then decreases due to denaturing enzymes</p>
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Light intensity effect

Photosynthesis rate increases as more energy is available, up to a certain point

<p>Photosynthesis rate increases as more energy is available, up to a certain point</p>
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Carbon dioxide concentration effect

Photosynthesis rate increases as more carbon is available to synthesise glucose, up to a certain point

<p>Photosynthesis rate increases as more carbon is available to synthesise glucose, up to a certain point</p>
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Photosynthetic rate

The rate at which plants take in carbon dioxide, water and the energy from sunlight to produce glucose

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Limiting factor

An environmental factor that prevents photosynthetic rate from increasing

<p>An environmental factor that prevents photosynthetic rate from increasing</p>
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Insoluble starch

A complex carbohydrate made from the products of photosynthesis and used for storage

<p>A complex carbohydrate made from the products of photosynthesis and used for storage</p>
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Fats and oil

Lipids which can be made from the products of photosynthesis for storage

<p>Lipids which can be made from the products of photosynthesis for storage</p>
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Cellulose

Carbohydrate component of plant cell walls which can be made from the products of photosynthesis

<p>Carbohydrate component of plant cell walls which can be made from the products of photosynthesis</p>
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Amino acids

Building blocks of protein which along with nitrates can be made from the products of photosynthesis

<p>Building blocks of protein which along with nitrates can be made from the products of photosynthesis</p>

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