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GCSE Biology · key term
A simple carbohydrate made during photosynthesis and used to make other biological molecules or in respiration.
Used by AQA and OCR
Specification 4.4.1.3 · Paper 1
A soluble sugar produced by photosynthesis and used as a respiratory substrate or as the starting material for other biological molecules.
Revise: Glucose UtilizationPhotosynthesis transfers light energy into a chemical store by producing glucose. A plant does not use all this glucose in one way. Some is used in respiration, while some is converted into other substances needed for storage, structure and growth.
Specification B1.4b, B3.3d · Paper 1 (Foundation), Paper 3 (Higher)
For a question asking for the uses of glucose, give distinct uses rather than several examples of respiration or storage.
When explaining amino acid production, state that the plant also needs nitrate ions absorbed from the soil. Glucose alone is not sufficient.
For each change in blood glucose, trace the full sequence: what the pancreas detects, which hormone it releases, what the liver does, and how blood glucose returns towards normal.
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The main carbohydrate shown in the GCSE equation is glucose, and oxygen is also produced.
A sugar carried in the blood and supplied to cells for respiration.