AQA · Biology · 8461
GCSE Biology: Uses of glucose from photosynthesis
Bioenergetics · AQA GCSE Biology (8461), specification point 4.4.1.3. Cards are generated from the exam board's own specification for "Uses of glucose from photosynthesis", and every card links back to the page it came from. Specification © AQA — used with attribution.
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Which process do plants use glucose from photosynthesis for to release energy?
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Respiration.
What insoluble substance do plants convert glucose into for storage?
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Starch.
Why do plants convert glucose into starch for storage?
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Starch is insoluble, so it does not affect the water balance (osmosis) of the cell the way soluble glucose would.
Plants convert glucose into ? to strengthen the cell wall.
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cellulose
What is the function of cellulose in a plant cell?
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It strengthens the cell wall.
Besides starch, what other substances do plants make from glucose for energy storage?
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Fats or oils (lipids).
What do plants make from glucose to use in protein synthesis?
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Amino acids.
To make proteins, plants combine glucose with ? ions absorbed from the soil.
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nitrate
Why do plants need nitrate ions from the soil to make proteins?
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Glucose contains only carbon, hydrogen and oxygen; nitrate supplies the nitrogen needed for amino acids, which build proteins.
From where do plants absorb the nitrate ions used for protein synthesis?
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From the soil, through the roots.
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