(a)[2]
Explain why water is the principal component of xylem sap and phloem sap.
(b)[3]
Finish Table 6.1 by pairing each event with the correct cell type.
Biology 9700 · AS & A Level · Transport mechanisms
Transport mechanisms — practice question
Xylem and phloem are the plant transport tissues. Each of these tissues contains more than one cell type. The conducting cells in xylem contain xylem sap, whereas the conducting cells in phloem contain phloem sap. The composition of xylem sap is different from that of phloem sap.