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Preparing Samples

OCR AS-level BiologyComponents of Living SystemsLesson 3 of 21

Dry MountSolid specimens can be viewed as they are or into very thin slices or sectioned using a very sharp blade.

The specimen is put on a slide and a coverslip is placed over it. This method can be used to view pollen or insect parts.

Wet MountThe specimen is put on a slide with a drop of water or oil and a coverslip is placed over it. This method can be used to examine living cells or aquatic organisms.

Diagram

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All 21 lessons in Components of Living Systems · All OCR AS-level Biology topics