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GCSE Biology 9-1 AQA Higher

Drop Add Water Layers Epidermal Tissue Place Slide

Steps to prepare a slide: 1) Add a drop of water to the middle of a clean slide. 2) Cut an onion and separate it into layers. 3) Use tweezers to peel some epidermal tissue from the bottom of one of the layers. 4) Place the epidermal tissue into the drop of water. 5) Add a drop of iodine solution to stain cells, highlighting objects within them. 6) Place a coverslip on top using a mounting needle, being careful to avoid air bubbles.

Étapes pour préparer une lame : 1) Ajouter une goutte d'eau au milieu d'une lame propre. 2) Couper un oignon et séparer les couches. 3) Utiliser une pince à épiler pour retirer du tissu épidermique du bas d'une des couches. 4) Placer le tissu épidermique dans la goutte d'eau. 5) Ajouter une goutte de solution d'iode pour teindre les cellules, mettant en évidence les objets qu'elles contiennent. 6) Placer une lamelle par-dessus à l'aide d'une aiguille de montage, en faisant attention à éviter les bulles d'air.

Original 1) Add drop of water to middle of clean slide
2) Cut an onion and seperate it out into layers
3) Use tweezers to peel some epidermal tissue from bottom of one of the layers
4) Place epidermal tissue into the drop of water
5) Add a drop of iodine solution, to stain cells, highlighting objects in them
6) Place coverslip on top using a mounting needle and being careful to avoid air bubbles
Title Prepare a slide
Settings 1,1,0 | n,n,n,n
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1) Add drop of water to middle of clean slide
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1) Add drop of water to middle of clean slide
2) Cut an onion and seperate it out into layers
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2) Cut an onion and seperate it out into layers
3) Use tweezers to peel some epidermal tissue from bottom of one of the layers
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Text4
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3) Use tweezers to peel some epidermal tissue from bottom of one of the layers
4) Place epidermal tissue into the drop of water
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4) Place epidermal tissue into the drop of water
5) Add a drop of iodine solution, to stain cells, highlighting objects in them
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Text6
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5) Add a drop of iodine solution, to stain cells, highlighting objects in them
6) Place coverslip on top using a mounting needle and being careful to avoid air bubbles
Full
1) Add drop of water to middle of clean slide
2) Cut an onion and seperate it out into layers
3) Use tweezers to peel some epidermal tissue from bottom of one of the layers
4) Place epidermal tissue into the drop of water
5) Add a drop of iodine solution, to stain cells, highlighting objects in them
6) Place coverslip on top using a mounting needle and being careful to avoid air bubbles

Tags: b1, bio, microscopy

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