Chapter 5: the Cell Flashcards
1
Q
Cell theory
A
- The cell is the basic unit of life
- All organisms are either unicellular or multicellular
- All cells rise from pre existing cells
2
Q
Prokaryotes
A
cells with no nucleus, can be called bacteria, are unicellular
3
Q
Eukaryotes
A
cells thats have a nucleus at least at some point in their life (can be multicellular)
4
Q
Cell membrane
A
A phospholipid bilayer
5
Q
RIbosomes
A
make new proteins
6
Q
Diffusion
A
spontaneous movement of particles from an area of higher concentration to an area of lower concentration
7
Q
Osmosis
A
the spontaneous movement of water across a semipermeable membrane from a hypotonic solution to a hypertonic solution.
8
Q
If a bag, with a semipermeable membrane, was placed in a hypotonic solution where would water flow?
A
Into the bag
