Topic 2 - Genes and Health

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Cystic Fibrosis
It is a genetic disorder of too much sticky mucus being produced trapped in the lung airways.
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Osmosis
It is the transportation of water molecules from a high concentrated to a low concentrated solution through a semi-permeable membrane.
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Mucus
A mixture of water, ions, proteins and sugar coated molecules.
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Gas Exchange
It is the process that happens in the lungs to exchange the gasses of carbon dioxide and oxygen.
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Fick's Law
Rate of Diffusion ∝ surface area × concentration gradient /diffusion distance
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Fluid Mosaic Model
It is a diagram of a cell membrane proving the fluidity of it.
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Extrinsic Protein
It give stability and anchoring to the plasma membrane. It is also loosely bound meaning it can move.
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Intrinsic Protein
It transport of ions, polar moles, large molecules by using channel proteins and carrier proteins.
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Glycoprotein
It is carbohydrate chain attached to the extrinsic protein. It works as a receptor and acts as an antigen.
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Glycolipids
It is a carbohydrate protein attached to the intrinsic protein. It works as a receptor and acts as an antigen.
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Cholesterol
It maintains the stability of the plasma membrane.
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Facilitated Diffusion
It is from a high concentration to a low concentration but the transportation of larger molecules or ions.
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Active Transport
It is the movement of any type of molecules against a concentration gradient
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Exocytosis
It is a form of bulk transport that relies on fluidity of the membrane requiring ATP. It RELEASES substances from the cells. (moves up)
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Endocytosis
It is a form of bulk transport that relies on fluidity of the membrane requiring ATP. It TAKES IN substances.
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The mosaic model
the mosaic model is a representation of the cell membrane structure and is
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Concentration gradient
The difference in concentration between two areas
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Protein
A large molecule that is synthesised from amino acids
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Card 2

Front

Osmosis

Back

It is the transportation of water molecules from a high concentrated to a low concentrated solution through a semi-permeable membrane.

Card 3

Front

Mucus

Back

Preview of the front of card 3

Card 4

Front

Gas Exchange

Back

Preview of the front of card 4

Card 5

Front

Fick's Law

Back

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