Which of the Following Statements About Phytochrome Is Not True

question 57

Multiple Choice

Which of the following statements about phytochrome is not true?

• A)It exists in two interconvertible forms.
• B)P_R absorbs red light.
• C)P_FR is biologically inactive.
• D)P_FR reverts to P_R in the dark.
• E)Several versions of phytochrome exist with overlapping but distinctive functions.

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