The plant pigment phytochrome is able to switch between sensing red light and sensing far-red light because phytochrome _____.

+1 vote

 

  

has two separate light-sensing areas

  

is composed of two separate pigments—one that senses red, the other that senses far-red

  

can alternate between two conformations, which sense the two separate wavelengths

  

can sense all wavelengths of visible light

 

asked Dec 31, 2012 in Biology by anonymous
    

1 Answer

+1 vote

 

can alternate between two conformations, which sense the two separate wavelengths

 

answered Dec 31, 2012 by Panda ~Expert~ (1,557 points)

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