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Uses Of Glucose From Photosynthesis (GCSE Biology)
The following is a GCSE Biology test covering 'Uses Of Glucose From Photosynthesis' from the broader topic Bioenergetics. The test is geared towards the AQA exam board style syllabus.Incorrect: 0
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Plants convert glucose into sugars and polymers that affect crop yield and quality.
In cold or dry conditions a plant may convert glucose into osmoprotectants to help cells tolerate stress.
Glucose is stored in plant cells so it is available when photosynthesis is not happening.
Glucose is joined into long chains to form cellulose because cellulose is needed to make strong cell walls.
Starch is the typical form in which many plants store glucose in leaves and roots.
Excess glucose in seeds and fruits is often stored in a form that is high in energy for the seedling.
Glucose from photosynthesis contributes to plant biomass by forming structural and storage molecules.
Glucose is combined with nitrate ions in the plant to make new proteins for growth.
Glucose can be used to synthesise cellulose for new cell walls during cell division and expansion.
Glucose is used to synthesise secondary metabolites such as alkaloids, terpenes and phenolics that serve defence or signalling roles.
During germination, a seed uses stored glucose to supply energy for growth before it can photosynthesise.
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