Which sequence of events is true about phtyochrome?

A. Red light activates phytochrome, converting it to Pfr, activated Pfr moves to the nucleus, then Pr is a receptor for red light in the cytosol.
B. Pr is a receptor for red light in the cytosol, red light activates phytochrome, converting it to Pfr, then activated Pfr moves to the nucleus.
C. Pr is a receptor for red light in the cytosol, activated Pfr moves to the nucleus, then red light activates phytochrome, converting it to Pfr.


B. Pr is a receptor for red light in the cytosol, red light activates phytochrome, converting it to Pfr, then activated Pfr moves to the nucleus.

Biology & Microbiology

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