Cells and Microscopy Flashcards

1️⃣ Familiarise yourself with the flashcards:

Look through all the flashcards to see what's on both sides.
Make sure you understand the information on each card. If something's unclear, click the link to the revision notes at the bottom of the page for more details.

2️⃣ Test yourself:

Look at the question or prompt on each card and try to remember the answer before flipping it over.
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Note: We may include questions that have multiple correct answers. It's useful to remember specific examples to understand these concepts better.

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What does a light microscope let you do?

See small structures in cells by making them look bigger.

Multiply the eyepiece magnification by the objective magnification.

Magnification = image size ÷ real size.

1 mm = 1000 μm and 1 μm = 1000 nm.

How well you can see two close points as separate.

A slide made by putting a specimen in a drop of liquid and covering it with a coverslip.

Put a drop of water on the slide, add a thin onion layer, add iodine solution, then lower the coverslip at an angle.

To avoid trapping air bubbles.

It gives a wider view and helps prevent damage to the slide.

Use coarse focus on low power to find the image, then use fine focus to sharpen it.

It gets smaller.

30 mm ÷ 300 = 0.1 mm = 100 μm.