Gibberellins

• What are gibberellins?

  Plant hormones
• What are gibberellins connected to?

  Growth (stem elongation) and germination (triggered by soaking seeds in water)
• How does water enter seeds?

  Via osmosis through a pore in the seed named the micropyle
• what happens after the seed is soaked in water?

  The embryo secretes gibberellin which diffuses into the aleurone (protein) layer
• What does gibberellin stimulate?

  Several enzymes including amylase
• What does amylase do?

  Hydrolyse food reserves in the endosperm, which are used in growth