The activity of alpha-amylase in the endosper | vedclass

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(D) During the germination of barley seeds,the embryo releases gibberellins. These gibberellins diffuse to the aleurone layer of the endosperm. In res

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Gibberellin

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(D) During the germination of barley seeds,the embryo releases gibberellins. These gibberellins diffuse to the aleurone layer of the endosperm. In response,the aleurone layer synthesizes and secretes hydrolytic enzymes,specifically $\alpha$-amylase and protease. These enzymes break down stored starch into simple sugars,which provide energy for the growing embryo,thereby promoting seed germination.

The activity of $\alpha$-amylase in the endosperm of barley germinating seed is induced by

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