Cells - Microscope/sizes Flashcards
Nucleus size
10-20 µm in diameter
Nuclear pore size
40-100 nm in diameter
Mitochondria width/diameter
0.5-1 µm
Mitochondria length
3-10 µm
Chloroplast length
5-10 µm
Chloroplasts diameter
2-3 µm
Lysosome size
0.1-1 µm
Width of cell surface membrane
7nm (0.007 µm)
Size of ribosomes in 70S prokaryotes, mitochondria and chloroplasts
18nm
Size of ribosomes in 80S eukaryotes
20-30nm
Prokaryote size
0.5-5 µm
Red blood cell size
7 µm
Capillary width
7 µm
Prokaryote diameter
1-5 µm
Max magnification of electron microscope
2.5 x 10^5
Always use eyepiece of …
5x
Always use objective lens of …
X10
Eukaryote diameter
Up to 40 µm
Viruses size
20-400 nm
How many times smaller are viruses to bacteria (≈)
50x
Centriole size
20-30 nm
Anything bigger than … can’t be seen in a light microscope
200nm / 2µm
Anything bigger than … can’t be seen in an electron microscope
0.5nm / 0.0005µm