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solaiman solaiman
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6 years ago
Once a pollen tube lands on a compatible stigma
 
  a. chemical cues guide the pollen tube from the stigma to the embryo sac of an ovule.
  b. that pollen tube continues on to another ovule.
  c. other pollen tubes are attracted to that ovule.
  d. other pollen tubes can penetrate that ovule more easily.
  e. the flower dies to prevent further pollination

Question 2

In Arabidopsis the genes TRYPTYCHON and STICHEL are involved in determining
 
  a. how closely trichomes will develop to each other.
  b. whether or not trichomes are formed.
  c. which side of a leaf will have trichomes.
  d. how many branches a trichome will have.
  e. cell division within trichomes.
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tvincenttvincent
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6 years ago
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solaiman Author
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6 years ago
This calls for a celebration Person Raising Both Hands in Celebration
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