A-LevelBiologyTransport in plants9700/12 · Feb/Mar 2025 · Q281 Mark
Which changes occur as amino acids are moved into phloem sieve tubes at a source?
Achange in water potential in phloem sieve tubes: decreases, change in volume of sap in phloem sieve tubes: decreases
Bchange in water potential in phloem sieve tubes: decreases, change in volume of sap in phloem sieve tubes: increases
Cchange in water potential in phloem sieve tubes: increases, change in volume of sap in phloem sieve tubes: decreases
Dchange in water potential in phloem sieve tubes: increases, change in volume of sap in phloem sieve tubes: increases
✓ Correct answer
B: change in water potential in phloem sieve tubes: decreases, change in volume of sap in phloem sieve tubes: increases
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