The statements describe events that occur during the movement of sucrose.
1 Hydrostatic pressure is decreased.
2 Hydrostatic pressure is increased.
3 Sucrose is loaded into the phloem vessel.
4 Sucrose is unloaded from the phloem vessel.
5 Water moves by osmosis into the phloem.
6 Water moves by osmosis out of the phloem.
7 Water potential decreases in the phloem.
8 Water potential increases in the phloem.
Which sequence correctly describes what happens in a plant at a source during the movement of
sucrose?
$3 \to 7 \to 5 \to 2$
2 )
$3 \to 8 \to 6 \to 1$
3 )
$4 \to 7 \to 5 \to 2$
4 )
$4 \to 8 \to 6 \to 1$
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