Practice question
Question
Xylem tracheids are best described as:
Explanation
The right choice is C: Elongated tapered cells. In PSS- Sec-F-Transport, that matches how the process or concept actually works — the other choices mix up related ideas or use the wrong mechanism. Skip these: A) Short and wide; B) Living cells; D) Non-conducting cells. A quick check: if an option needs energy, pumps, or the opposite direction of movement, ask whether that really applies.