A-Level Biology
Everything I have learnt during the course
Friday, 7 February 2014
Lignification
Provides strength in the cell walls
Is progressive starting with annular rings (in proto-xylem) and finishing with complete lignification interspersed with pits (meta-xylem)
Mature xylem contain no living contents
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment