equipment and things Flashcards
Why are electron microscopes better then light microscopes?
They have better magnification and resolution
How do you work out the actual size of a cell?
divide the magnification size by the actual size IS is= image size
— as= actual size
AS X M m=magnification
How do you work out the magnification?
image size divided my actual size
How do you work out the image size?
actual size X magnification
What is a 1000 times smaller than a millimetre?
micrometre times the millimetre by 1000 and you will get the amount of micrometres.
what’s different about a light microscope compared to a electron microscope?
Light micrscopes can view alive cells
What are CT scans?
Scans which show the shape and structure of the brain.
\what are PET scans?
Allow you to see which areas of the brain are active.
