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Some etiolated seedlings develop hairs on their epidermis when exposed to dim light. Describe an experiment...

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Biology

Some etiolated seedlings develop hairs on their epidermis whenexposed to dim light. Describe an experiment to test the hypothesisthat a phytochrome is the photoreceptor for this effect.

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Etiolation is a phenomenon in which seedlings grown in dark become elongated due to elongation of internodes they have small cotyledons and also develop chlorosis Phytochrome has two forms Pr and Pfr Pr is converted to Pfr on exposure to red light 670nm whereas Pfr is converted to    See Answer
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