Which cells are alive at maturity?
A) Sieve elements
B) Vessel elements
C) Tracheids
D) Vessel elements and tracheids
E) Sieve elements and vessel elements

Question

Which cells are alive at maturity?  
A) Sieve elements
B) Vessel elements
C) Tracheids
D) Vessel elements and tracheids
E) Sieve elements and vessel elements

Quizplus · Accepted Answer

Sieve elements are alive at maturity, although they lack a nucleus, allowing them to function in the transport of sugars and nutrients throughout the plant. Vessel elements and tracheids, which are involved in water transport, are not alive at maturity.

Which Cells Are Alive at Maturity