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Home Q & A Board Biology-Related Homework Help General Biology
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MapHarr MapHarr
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6 years ago
Root hairs are similar to mycorrhizae in that both
  a. are multicellular.
  b. are extensions of root epidermal cells.
  c. are symbiotic relationships involving root cells.
  d. increase the surface area available for
  absorption.
  e. fit all of these descriptions.

Question 2

Nitrogen-fixing bacteria convert __________ to
  __________.
  a. gaseous nitrogen; ammonia
  b. ammonia; gaseous nitrogen
  c. gaseous nitrogen; nitrates
  d. gaseous nitrogen; nitrites
  e. ammonia; nitrates
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anu30anu30
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6 years ago
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MapHarr Author
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#2
6 years ago
Thank you for taking the time to explain this, just got my quiz back: Perfect
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