plant responses Flashcards
auxin stimulates…
newly formed cells to get longer
where is auxin produced?
the ends of shoots where it can diffuse down the stem
auxin causes…
phototropism
phototropism
young stems bend towards light
____ inhibits auxin transport
light
auxin elongates cells on___ side
dark
phototropism bends stem toward…
light
how is phototropism used to kill weeds?
makes weeds grow too much unitil they die
cytokinin encourages
cell division
where is cytokinin produced?
in the roots
cytokinin stimulates
branch formation
primary apical meristem inhibits..
branch formation
auxin suppresses ______ from…
auxiliary buds from forming branches
tip of tree produces auxin which is why…
the top of trees have much smaller branches than the bottom of the tree.
cytokinin stimulates…
axillary buds to form branches
___ of tree produces cytokinin
bottom
levels of ___ and ___ determine branch growth
auxin and cytokinin