37. Plant Sensation and Response
Phototropism
Multiple Choice
Multiple ChoiceWhat happens immediately after a phytochrome is activated by light?
A
The phytochrome receptor moves from the plasma membrane into the cytoplasm.
B
cGMP activates a protein kinase.
C
De-etiolation occurs.
D
Genes for proteins that function in de-etiolation are transcribed.
E
Ca2+ channels are opened, and guanylyl cyclase is activated.
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