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Mhightower Mhightower
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10 years ago
a. assist vessel members to move organic substances
b. supply potassium ions for water absorption
c. help load organic compounds into neighboring sieve tubes
d. store the organic compounds transported by the sieve tubes
e. help transport organic compounds when the sieve tubes become overloaded

thanks! Slight Smile
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fullforcegfullforceg
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10 years ago
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