Microscopy

Question 1

Light microscopes

Answer 1

Uses light and lenses. Can see individual cells and large sub cellular structures (e.g. nuclei)

Question 2

Electron microscopes

Answer 2

Uses electrons. Higher magnification and a higher resolution. Can see much smaller things (e.g. mitochondria, chloroplasts, ribosomes and plasmids).

Question 3

Resolution

Answer 3

The ability to distinguish between two points. The higher the resolution, the clearer the image.

Question 4

Magnification

Answer 4

How much bigger something is.

Question 5

Stain

Answer 5

Used to highlight objects in a cell by adding colour

Question 6

Equation for magnification

Answer 6

Image size divided by real size

Question 7

Equation for image

Answer 7

Magnification times real size

Question 8

Equation for real size

Answer 8

Image size divided by magnification

Question 9

Millimetre(mm) to micrometre(㎛)

Answer 9

x1000

Question 10

Micrometre (㎛) to nanometre(nm)

Answer 10

x1000

Question 11

Millimetre (mm) to nanometre (nm)

Answer 11

x1,000,000