Cell Biology Flashcards
Cell structure, Cell division, Transport in cells
1
Q
What is an example of a bacteria cell?
A
E.coli
2
Q
What is the cytoplasm the site of in cells?
A
Site of chemical reactions.
3
Q
Why do exchange surfaces have thin membranes?
A
Short diffusion pathway.
4
Q
As a cell increases in size, what happens to its surface area to volume ratio?
A
Decreases
5
Q
What is the role of the mitochondria? (2)
A
- Site of aerobic respiration
- Releases energy for the cell to use
6
Q
What is the role of meristem in plants?
A
Divide by mitosis to form new tissues.
7
Q
What is the formula for magnification?
A
Magnification = Image size / actual size
