Plant responses
- Created by: Amelia Brett
- Created on: 01-11-13 13:21
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- Plant Hormones
- Auxin
- What does it do?
- stimulates cell elongation
- prevent absicission
- promotes root growth
- grows seedless fruit
- where is it found?
- seeds
- meristems of the apical buds
- example of?
- Phototropism
- geotropism
- negative and positive tropisms
- What does it do?
- Gibberellins
- Where is it found
- meristems of apical budsand roots
- young leaves
- embryo
- Examples of?
- the breaking down of starch to maltose -used in brewing
- what does it do?
- cell elongation(shoot elonagtion)
- stimulates bolting and flowering in biennials.
- regulates production of hydrolytic enzymes in grains
- stimulates germination
- the breaking down of starch to maltose -used in brewing
- speeds up
- Where is it found
- Ethene
- Where is it found?
- Tisues of ripeing fruits
- nodes of stems
- senescent leaves and flowers
- Example of?
- transporting bananas and then ripening before going into shops
- what does it do?
- speeds up the ripening of fruit.
- leaf and flower senescence, and abscission
- promoting lateral growth in some plants
- Where is it found?
- Cytokinins
- what does it do?
- stops aging of leaves (yellowing)
- tissue culture to help with the mas prodcution of plants
- stimulates cell division, reverse apical dominance
- where is it found?
- synthesised in roots and transported to toher organs
- what does it do?
- Auxin
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