Which cell type is closely associated with sieve tube elements and helps maintain their metabolic functions?
Show answer and explanation
Correct answer: Companion cell
Sieve tube elements lose many cellular components at maturity and depend on companion cells for metabolic support. Companion cells are connected to sieve tube elements by plasmodesmata.
Keep practicing
More Vascular Tissue questions
- Why are mature xylem vessel elements generally dead at functional maturity?
- Which wall component gives xylem cells strength and helps prevent collapse during water transport?
- What are sieve plates in phloem primarily used for?
- In a typical dicot stem, vascular bundles are usually arranged in which pattern?
- In a typical monocot stem, vascular bundles are usually described as being:
- Which statement best describes collateral vascular bundles?