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Sexual Reproduction in Flowering Plants
Endosperm and Seed Structure
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Concepts tested
- Aleurone layer of cereal grains
All Questions
2003 AIPMT 1 question
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The aleurone layer in maize grain is specially rich in :-In maize and other cereal grains, the outermost layer of the endosperm, just below the seed coat (fused with the fruit wall), is called the aleurone layer.
Its cells are rich in protein granules (aleurone grains). The inner endosperm is rich in starch.
During germination, gibberellins from the embryo stimulate the aleurone layer to make hydrolytic enzymes such as $\alpha$-amylase, which digest the starch of the endosperm.
So the aleurone layer is specially rich in proteins.