| Front | How does positive phototropism occur in flowering plants? |
|---|---|
| Back | - cells in shoot tip produce IAA - IAA transported down shoot - light causes movement of IAA from light side to shaded side - greater IAA concentration on shaded side - IAA causes elongation of shoot cells - faster elongation on shaded side - shoot bends towards light |
Tags: tropisms
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Iaa root side lower cells gravity elongation positive
Previous card: Type substance iaa auxin plant growth factor
Up to card list: AQA A Level Biology