This animation explores the action of indole-3-acetic acid (IAA), the most common form of auxin, and looks at how scientists used experimental evidence to explain the role of auxins in a phototrophic response. It was commissioned by the Wellcome Trust for their Big Picture publication.
© Wellcome Trust.
It can also be viewed on the Wellcome Trust’s Big Picture website:
https://bigpictureeducation.com/plant-hormones-animation-how-iaa-most-common-form-auxin-works
