Which of the Following Is Not a Characteristic of Plant

Multiple Choice

Which of the following is not a characteristic of plant hormones?

A) They exist in plant in very tiny amounts.
B) They change their shape in response to stimulus.
C) They are able to move from one cell to another cell through extracellular spaces.
D) They affect only cells with an appropriate receptor.
E) All of the above are correct descriptions of plant hormones.