Key words and definitions

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  • Created by: Daniela
  • Created on: 28-03-14 09:45
Magnification
The degree to which the size of an image is larger than the object itself
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Resolution
Degree to which it is possible to distinguish between two objects very close togther.
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Staining
Any process that helps to reveal or distinguish different features.
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Cytoskeleton
Network of protein fibres found within cells that gives structure and shape to cell and moves organelles around inside cells.
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Phospholipid bilayer
Basic structural component of plasma membranes. Proteins are embedded in this layer.
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Fluid Mosaic
Model of cell membrane structure. Lipid molecules gives it fluidity and proteins give it a mosaic apperance.
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Cell signalling
Communication between cellsby signals. E.g. cytokines
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Diffusion
The movement of molecules from an area of high concentration to an area of low concentration down a concentration gradient.
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Active transport
Movement of molecules or ions across membranes, which uses ATP to drive protein pumps.
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Mitosis
Process of nuclear division where two genitically idnetical nuclei are formed from one parent cell nucleus.
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Clones
Genetically identical cells or organisms derived from one parent.
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Differentiation
Changes occuring in cells of a multicellular organism so thata each different type becomes specailised to perform a specific function.
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Other cards in this set

Card 2

Front

Degree to which it is possible to distinguish between two objects very close togther.

Back

Resolution

Card 3

Front

Any process that helps to reveal or distinguish different features.

Back

Preview of the back of card 3

Card 4

Front

Network of protein fibres found within cells that gives structure and shape to cell and moves organelles around inside cells.

Back

Preview of the back of card 4

Card 5

Front

Basic structural component of plasma membranes. Proteins are embedded in this layer.

Back

Preview of the back of card 5
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