1
Q
describe the role of the cytoskeleton (5 points)
A
- provides support for the cell
- aids in the movement of flagella
- holds organelles in place like the RER
- allows chromosomes to move
- allows the cell to change shape for phagocytosis or endocytosis
2
Q
name one strict present in an animal cell but not a plant cell
A
centriole
3
Q
what are the advantages of staining (3 points)
A
- staining provides contrast
- recognise organelles of the cell
- recognise different compounds in the cell like starch
4
Q
when is ATP(energy) used during the secretion of a protein
A
-during the transport of the vesicle to the plasma membrane
5
Q
what is resolution
A
the ability to distinguish between two different points
6
Q
what is magnification
A
how large you can make an object compared to its original size
7
Q
Scanning electron microscope magnification
A
x200’000
8
Q
transmission electron microsope magnification
A
x 2 million
9
Q
how can you tell something has a better resolution
A
the better the resolution the smaller the resolution value
