coleoptiles การใช้

• On control coleoptiles, he placed a block that lacked the chemical.
• Early symptoms include " leprous " spots and bending or twisting of coleoptiles.
• Coleoptiles consist of very similar cells that are all specialised to fast stretch growth.
• Coleoptiles also exhibit strong geotropic reaction, always growing upward and correcting direction after reorientation.
• Coleoptiles also have water vessels ( frequently two ) along the axis to provide a water supply.
• The compound is shown to fully inhibit growth of etiolated wheat coleoptiles, at concentrations of 10-3 M.
• Went concluded that auxin is at a higher concentration on the shaded side, promoting cell elongation, which results in a coleoptiles bending towards the light.
• Went cut the tips of the coleoptiles and placed them in the dark, putting a few tips on agar blocks that he predicted would absorb the growth-promoting chemical.