A-LevelBiologyTransport in plants9700/12 · May/June 2015 · Q261 Mark
Which changes to the water potential and the volume of liquid in the phloem occur when amino acids are taken out of a sink in a phloem sieve tube?
Ahigher water potential in phloem sieve tubes; decreased volume of liquid in phloem sieve tubes
Bhigher water potential in phloem sieve tubes; increased volume of liquid in phloem sieve tubes
Clower water potential in phloem sieve tubes; decreased volume of liquid in phloem sieve tubes
Dlower water potential in phloem sieve tubes; increased volume of liquid in phloem sieve tubes
✓ Correct answer
D: lower water potential in phloem sieve tubes; increased volume of liquid in phloem sieve tubes
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