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Frage 1
Frage
What is magnification ?
Antworten
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the degree to which the size of the an image is larger than the object itself. Expressed as x10
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the degree to which it is possible to distinguish between two objects that are very close together.
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the degree to which you can see the individual components of the cell
Frage 2
Frage
The light microscope can have a magnification of up to x 1500
Antworten
- True
- False
Frage 3
Frage
The maximum resolving power of light is 2000mn
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- True
- False
Frage 4
Frage
Why do sections of tissues need to be cut into thin slices for examination under a microscope
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If the sample is too thick there would be too many cells overlapping each other so you would not be able to focus on the cells.
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Light cannot penetrate thick slices of tissue, so no detail would be seen
Frage 5
Frage
what is the definition of staining (in microscopy)
Antworten
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any process that helps to reveal or distinguish different features.
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The use of iodine to make transparent substances easier to see under a light microscope
Frage 6
Frage
Each type of organelle has a specific role in the cell what is this called
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specialisation
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differentiation
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division of labour
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ultrastructure
Frage 7
Frage
What are the features found in an animal cell.
Antworten
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Ribosome
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Chloroplast
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Rough Endoplasmic Reticulum and Smooth Endoplasmic Reticulum
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Mitochondrion
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Nucleolus, nuclear envelope and nucleus
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Cell Wall
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Cell membrane
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Golgi Apparatus
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Vacuole
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Lysosome
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