4.2 (a) To prepare and examine one animal cell, stained and unstained, using the light microscope.

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Presentation transcript:

4.2 (a) To prepare and examine one animal cell, stained and unstained, using the light microscope

Step 1 Swab the inside of the cheek.

Step 2 Transfer the sample to a slide.

Step 3 Cover the sample with a drop of water.

Step 4 Place the cover slip at the edge of the water at a 45° angle.

Step 5 Slowly lower the cover slip onto the water using the mounted needle.

Step 6 Dry the slide if necessary.

Step 7 Examine the slide under the microscope using the usual procedure.

Step 8 To stain: Prepare as for steps 1 and 2 previously

Step 9 Cover the sample with one drop of methylene blue stain.

Step 10 Gently wash excess stain from the slide using a wash bottle.

Step 11 Apply the cover slip as previously done.

Expected result

END