A-LevelBiologyTransport in plants9700/12 · Oct/Nov 2012 · Q261 Mark
Which statement explains why sucrose, rather than glucose, is transported by phloem?
ASucrose can pass through plant cell surface membranes more easily.
BSucrose is a disaccharide and is more easily converted to starch.
CSucrose is a larger molecule.
DSucrose is a non-reducing sugar, so is less reactive.
✓ Correct answer
D: Sucrose is a non-reducing sugar, so is less reactive.
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