Phytochrome is the pigment responsible for ____.
A)thigmotropism
B)phototropism
C)gravitropism
D)photoperiodism
E)heliotropism

Name: Phytochrome is the pigment responsible for ____. A)thigmotropism B)phototropism C)gravitropism D)photoperiodism E)heliotropism
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Question

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Phytochrome is a pigment involved in photoperiodism, which is the response of plants to the relative lengths of light and dark periods, affecting flowering and other developmental processes.

Phytochrome Is the Pigment Responsible for ____