Asked by Brenden Elkins on Jun 11, 2024
Verified
Which of the following are living but lack a nucleus and other organelles at maturity?
A) Xylem
B) Tracheid
C) Vessel element
D) Companion cell
E) Sieve tube element
Organelles
Specialized structures within a cell that perform specific functions necessary for the cell's life, such as mitochondria, chloroplasts, and the Golgi apparatus.
Sieve Tube Element
A type of elongated cell in the phloem of flowering plants that facilitates the transport of sugars and other nutrients.
Nucleus
The membrane-bound organelle in eukaryotic cells containing genetic material (DNA), responsible for controlling the cell's growth, metabolism, and reproduction.
- Describe the characteristics and functions of cells that contribute to plant growth and support, such as sieve tube elements and guard cells.
Verified Answer
MS
Michael StahlJun 15, 2024
Final Answer :
E
Explanation :
Sieve tube elements are living cells that lack a nucleus and other organelles at maturity, which allows for the efficient transport of sugars and other nutrients in plants.
Learning Objectives
- Describe the characteristics and functions of cells that contribute to plant growth and support, such as sieve tube elements and guard cells.