A-LevelBiologyTransport in plants9700/12 · May/June 2019 · Q261 Mark
Sucrose moves from a mesophyll cell in a leaf into a phloem sieve tube element. Which changes to the water potential and the volume of liquid in the phloem sieve tube element are correct?
Awater potential becomes: less negative, volume of liquid: decreases
Bwater potential becomes: less negative, volume of liquid: increases
Cwater potential becomes: more negative, volume of liquid: decreases
Dwater potential becomes: more negative, volume of liquid: increases
✓ Correct answer
D: water potential becomes: more negative, volume of liquid: increases
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