Biology Unit 2

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  • Created by: Romilly
  • Created on: 29-05-14 20:59
Hammerling
Used A. Centabularia, the conclusion was that the development of the cell was controlled by the nucleus and that a chemical (mRNA) was produced.
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Wilmut
Used Dolly the Sheep, proved that every cell contains the same genes.
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David and Sagent
Frog cells, showed that in differentiated cells genes which were switched on weren't switched on in the undifferentiated cells.
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Jacob and Monod
E.coli was used, it showed how genes were switched on and off.
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Orchid Niches
Brazil Nut Tree Orchid (euglossine bee picks up pollen), Pyramidal Orchid (produces a scent which attracts dry-flying moth), Mirror Orchid (imitate the female wasp)
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Wood Pecker Niches
The Lesser Spotted Woodpecker (eats finer branches at top of trees), Greater Spotted Woodpecker (eats broader branches), Green Woodpecker (eats branches on the ground).
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Mint
Menthol and carvone, toxic to microbes and some insects.
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Garlic
Allicin, destroys bacteria which cause intestinal infections.
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Tea
Tannins, have a bitter taste
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Pyrethrum
Phyrethrin, used as an insecticide
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Willow
Salicin, helps to combat rheumatism, gout and headaches.
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Stinging Nettles
Formic Acid, can help to control type 2 diabetes
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Foxglove
Digitalis, helps cure a condition Dropsy
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Card 2

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Wilmut

Back

Used Dolly the Sheep, proved that every cell contains the same genes.

Card 3

Front

David and Sagent

Back

Preview of the front of card 3

Card 4

Front

Jacob and Monod

Back

Preview of the front of card 4

Card 5

Front

Orchid Niches

Back

Preview of the front of card 5
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