1 - Plant and Animal cells

Cards (12)

What are light microscopes?
Use light to allow us to see specimens as the light bounces off the specimen into our eyes
How can we visualise cells?
Light microscopes and stains can be used
Why do we stains? Abbrev.
VHCC
Why do we use stains (1)?
To view colourless specimens
Why do we use stains (2)?
To highlight different structures
Why do we use stains (3)?
Show contrast between different densities in cells
Why do we use stains (4)?
To show a contrast between organelles
How do we make slides STEP 1?
Take a thin sample of what you want to view
How do we make slides STEP 2?
Stain it, if it is colourless
How do we make slides STEP 3?
Put a coverslip on top at an angle so there are no air bubbles
What is magnification?
The number of times bigger an image is than the original
What is resolution?
The ability to distinguish 2 separate points as distinct from each other