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Organisation of cells plant tissues (view source)
Revision as of 17:00, 1 August 2014
, 17:00, 1 August 2014→Notes for teachers
There are certain cells closely associated with sieve tube,called '''companion cells'''.They regulate the passage of food through sieve tubes. Except for phloem fibres, phloem cells are living cells.<br>
There are certain cells closely associated with sieve tube,called '''companion cells'''.They regulate the passage of food through sieve tubes. Except for phloem fibres, phloem cells are living cells.<br>
http://www.bbc.co.uk/bitesize/standard/biology/images/structure_phloem.gif<br>
http://www.bbc.co.uk/bitesize/standard/biology/images/structure_phloem.gif
'''Phloem'''<br>
'''Phloem'''
http://www.infovisual.info/01/img_en/014%20Cross%20section%20of%20a%20stem.jpg
http://www.infovisual.info/01/img_en/014%20Cross%20section%20of%20a%20stem.jpg
