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bector215 bector215
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6 years ago
What is the function of companion cells?
  a. These cells provide metabolic support to vessel elements.
  b. These cells provide metabolic support to sieve elements.
  c. These cells provide metabolic support to tracheids.
  d. These cells prevent water from entering the endodermis.
  e. These cells control the opening and closing of stomata.

Question 2

Conducting tubes of phloem consist of stacks of ____.
  a. dead sieve elements
  b. living sieve elements
  c. dead vessel elements
  d. living vessel elements
  e. dead companion cells
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strevi49strevi49
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6 years ago
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