Biology
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LB3.3.2.2
Soil contamination with non-biological substances
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LB3.4.1.2
Examination of fish scales
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LB2.0.0.2
Making micro-preparations
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LB2.1.1.2
Leaf structure of a moss leaf
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LB2.1.2.2
Pollen and pollen tube
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LB2.1.4.2
Root hair formation
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LB2.2.2.2
Water conduit in a shoot
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LB2.2.3.2
Oxygen detection in photosynthesis
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LB5.1.0.2
The power supply
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LB5.1.1.2
Electrophoresis of DNA samples
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