Plants;
- convert some of the glucose into chemicals needed for growth of plant cells, such as cellulose, protein and chlorophyll
- convert some into starch for storage
- use some respiration to release energy
Because it is insoluble, starch has little effect on the osmotic balance of cells. A high concentration of glucose cause water to be drawn into cells. So, starch is a better storage molecule than glucose.
Energy released in respiration is used to synthesise polymers such as;
- starch and cellulose from glucose
- amino acids and then proteins from glucose and nitrates
Plants roots absorb nitrates by active transport, a process that requires energy.
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