Microscopy Practical - Questions Flashcards
(11 cards)
Why do we use a stain when preparing a slide?
To make certain structures visible.
Why must you lower the coverslip carefully?
To remove air bubbles.
Why can’t mitochondria be seen with a light microscope?
They are too small.
What type of microscope is needed to see ribosomes?
An electron microscope.
What is the magnification equation?
Magnification = Image size ÷ Actual size.
What unit is best for measuring in microscopy calculations?
Millimetres (mm).
How many micrometres (μm) in a millimetre (mm)?
1000 μm = 1 mm.
How many nanometres (nm) in a micrometre (μm)?
1000 nm = 1 μm.
List 3 key rules for scientific biological drawings.
No shading, no sketchy lines, labels with ruled lines only.
What else must be included in a scientific drawing?
A magnification or scale bar.
