Which of the following statements are not true of hormone actions in plants?
A. Most plant hormones are effective in
extremely low concentrations.
B. Plant hormones influence cell growth and
differentiation.
C. Plant hormones may alter patterns of gene
expression and rates of cell division.
D. Plant hormones act independently and do
not affect one another's actions.
E. Plant hormones play a central role in plant
development.
Answer Point Value: 1.0 points
D
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