Which hormone stimulates both leaf abscission and fruit ripening?
a. abscisic acid
b. auxin
c. cytokinin
d. ethylene
e. gibberellin
d
You might also like to view...
PBDEs are ____
a. permitted in many European countries but banned in the United States b. permitted in only one European country and in only 11 states in the United States c. banned worldwide but are still being used illegally d. banned in many European countries but permitted in most states in the United States e. banned in many Europeans countries and all states in the United States
Oxidation-reduction reactions
A. remove electrons from both molecules involved. B. remove protons from one molecule and join them to another molecule. C. never occur at the same time. D. remove electrons from one molecule and add them to another molecule simultaneously. E. remove oxygen from the cell.
Photoperiodic plants react to a certain amount of darkness, referred to as ________ (three words)
Fill in the blank(s) with correct word
Why are ferns not well adapted to desert areas?
What will be an ideal response?