× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
New Topic  
solaiman solaiman
wrote...
Posts: 445
Rep: 0 0
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.
Read 62 times
2 Replies
Replies
Answer verified by a subject expert
tvincenttvincent
wrote...
Posts: 334
Rep: 4 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

solaiman Author
wrote...
6 years ago
This calls for a celebration Person Raising Both Hands in Celebration
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1330 People Browsing
 123 Signed Up Today
Related Images
  
 767
  
 49
  
 785