In what direction do water molecules travel in the phloem and in the xylem of a plant stem?
- Aphloem: down only; xylem: up only
- Bphloem: up only; xylem: down only
- Cphloem: up only; xylem: both up and down
- Dphloem: both up and down; xylem: up only
Biology 5090 · O Level · Transpiration and translocation
In what direction do water molecules travel in the phloem and in the xylem of a plant stem?