plant hormones and animal hormones

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dr. dugmore
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plant hormones and animal hormones

Post by dr. dugmore » Wed May 09, 2007 10:25 am

:D hi everyone, this is my first post.

ummmmm, im not to good at my plant biology, and i need to find some differnces between plant hormones and animal's in relation to hormone control.


i know that plant cells take longer to get hormones arrond the body. but im stumped on how to word it.

can somone help repharse the question so i can understand.


thankyou



dr. dugmore

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dr. dugmore
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Post by dr. dugmore » Wed May 09, 2007 10:57 am

need an answer plz..............
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Post by SU_reptile » Wed May 09, 2007 2:48 pm

I was looking for some particular information for you, but I'm not sure whether it'll be sufficient.

Let's start with some similarities:
    - plant and animal hormones act in vanishingly low concentrations
    - they are abundant in any plant or animal
    - they play role in growth and development
    - they trigger particular reactions or pathways interacting with hormone-specific receptors (they activate gene expression or other reaction by means of complex signal trasduction)

Now things you're more eager to know - the differences:
    - plant hormones are not proteins while most or great majority of animal ones are
    - as far as plants don't have any blood system, hormones are transported in other, plant-characteristic tissues, particularly in phloem and in lower rate in xylem
    - animal hormones act mainly in remote tissues, while plant hormones may act in the same place
    - as I remember animal hormones are never gaseous, while in plants ethylene is abundant (it's a gas, isn't it?)

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dr. dugmore
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Post by dr. dugmore » Thu May 10, 2007 9:02 am

correct!, your right!!!!!
i see some more differnces too!!!!

thank you heaps and heaps!!!
The love for all living creatures is the most noble attribute of man.
Charles Darwin

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