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Rnaprh Rnaprh
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Posts: 547
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6 years ago
Sieve tubes are different from vessel members
  because they
  a. do not have nuclei.
  b. are not connected to each other.
  c. are alive at maturity.
  d. conduct minerals.
  e. fit all of these descriptions.

Question 2

The function of the phloem companion cells is to
  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.
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nick1028nick1028
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Posts: 320
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6 years ago
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Rnaprh Author
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6 years ago
What an excellent community, thanks for answering
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