Seeds, flowering & phytochromes

IB Biology: Seeds, flowering & phytochromes

How can a pigment change the behaviour of the cellsHint: Click to display some suggestionsThe pigment must be changed by the light.There might be an active form of the pigment.The active form of the pigment could promote (or inhibit) gene expression.The first stages in the development of a mature seed are (broadly speaking) equivalent to the formation of a blastocyst in human reproduction. A fertilized egg cell divides...

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