Microscopy (Edexcel GCSE Biology Combined Science): Flashcards
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When were light microscopes invented?
When were light microscopes invented?
16th century
Max magnification of light microscopes
Max magnification of light microscopes
Up to 1500x
Resolution limit of light microscopes
Resolution limit of light microscopes
200 nm (nanometers)
When were electron microscopes developed?
When were electron microscopes developed?
1930s
What do electron microscopes use instead of light?
What do electron microscopes use instead of light?
Beam of electrons
TEM resolution
TEM resolution
Up to 0.2 nm
What does SEM provide?
What does SEM provide?
3D images of cell surfaces
Inner folds of mitochondria
Inner folds of mitochondria
Cristae
Role of ribosomes in cells
Role of ribosomes in cells
Protein synthesis
Process carried out by chloroplasts
Process carried out by chloroplasts
Photosynthesis