MCQ
Companion cells in angiosperms are associated with:
- AXylem vessels.
- BGuard cells.
- CXylem tracheids.
- ✓Sieve tubes.
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$a.$ Constantly dividing cells.
$b.$ Cell walls are primary in nature.
$c.$ New cell wall deposition.
$d.$ Increased vacuolation.
$e.$ Possess large conspicuous nuclei.