Microscopy Flashcards
1
Q
What are the size of cells?
A
up to 100 μm
2
Q
What are the size of organelles?
A
up to 10 μm
3
Q
What are the size of Bacteria?
A
around 1 μm
4
Q
What are the size of Viruses?
A
around 100nm
5
Q
What is the thickness of the membrane?
A
around 10nm
6
Q
What is the size of a molecule?
A
usually 1nm
7
Q
What is qualitative data?
A
It is descriptive data (such as colour or gender)
8
Q
What is quantative data?
A
It is measured data (such as height or weight)
9
Q
How do you calculate microscope magnification?
A
= eyepiece magnification x objective lens magnification
10
Q
How do you calculate magnification (no scale bar)?
A
= Size of image / size of specimen
11
Q
How do you calculate magnification (with scale bar)?
A
= scale bar measured length / scale bar label
12
Q
How do you calculate actual size?
A
= measured length / magnification
