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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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Glucose is stored in plant cells so it is available when photosynthesis is not happening.
When plants need quick energy for active transport or growth, they break down glucose by respiration.
Glucose is combined with nitrate ions in the plant to make new proteins for growth.
Glucose is used to make lipids in plants; these lipids are especially important in seeds as energy reserves.
Glucose is used in the formation of fruits to provide energy and building materials for seed development.
In cold or dry conditions a plant may convert glucose into osmoprotectants to help cells tolerate stress.
When plants make glucose, some is used to produce ATP needed for active transport across membranes.
Plants may convert glucose into cell wall material and woody tissue to form long-term structural support.
Plants convert glucose into sugars and polymers that affect crop yield and quality.
During germination, a seed uses stored glucose to supply energy for growth before it can photosynthesise.
To test whether a leaf has stored glucose as starch, students use iodine solution which turns starch blue-black.
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