Examlex
What is the term for transcription factors that decrease transcriptional activity by associating with specific enhancer elements or activator proteins?
Lignin
A complicated organic molecule found in the cell walls of numerous plants, contributing to their stiff and woody nature.
Cellulose
A complex carbohydrate that forms the primary structural component of plant cell walls and is indigestible to humans.
Xylem
The plant's vascular system responsible for transporting water and dissolved nutrients from the roots throughout the rest of the plant.
Liverworts
Non-vascular plants belonging to the division Marchantiophyta, among the earliest land plants.
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