Why are amides transported to other plant parts through the xylem vessels?
Transportation of Amides:
What substance/substances are transported in plants by : (a) xylem vessels and tracheids ? (b) sieve tubes (or phloem) ?
Which of the following statements are correct? (i) Companion cells are present in phloem. (ii) Xylem transports water and minerals from roots to other parts of the plant. (iii) Vessels of xylem are present in all plants. (iv) Both xylem parenchyma and phloem parenchyma have nucleus.