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help on plant cells urgently please!!!!!!

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help on plant cells urgently please!!!!!!

Postby francesca121 » Thu Jan 01, 2009 10:28 pm

i need to know when the following cells differentiate and from what cells do they originate
-palisade mesophyll cell
-guard cell
-root hair cell

please help me ASAP!!
thanks
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Postby MrMistery » Fri Jan 02, 2009 3:58 pm

well my plant physiology is a bit rusty, but I am sure that guard cells and root hair cells develop from epidermal cells (of leaf and root respectively). Can't help on palisade cell though...
"As a biologist, I firmly believe that when you're dead, you're dead. Except for what you live behind in history. That's the only afterlife" - J. Craig Venter
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