cell biology Flashcards
1
Q
name some examples of specialized cells
A
muscle
egg
sperm
nerve
root hair
brain
red blood
white blood
2
Q
what is the equation of magnification
A
magnification = image size / actual size
3
Q
what is mitosis
A
one cell dividing into 2 daughter cells
4
Q
what are the stages of mitosis
A
- DNA duplicates and grows
- Chromosomes line up at the centre
Spindle fibres pull them apart - Nuclei reforms and cell membrane
splits
*Two daughter cells are formed!
5
Q
what is osmosis
A
The net movement of water particles from a high concentration to a
Iow concentration across a partially permeable membrane
6
Q
what is active transport
A
7
Q
what is diffusion
A
The net movement of particles from a high concentration
to a low concentration down a concentration gradient
