BI-2083
Xylem and phloem
Biology · Secondary 4 · Medium · Xylem and phloem
A student is comparing xylem vessels and sieve tube elements. Which feature is present in both types of cells when they are fully developed and functioning?
- No cytoplasm
- No end walls
- No nucleus
- Thick lignified walls
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.