Chapter 3 Flashcards
(9 cards)
1
Q
Prokaryotic vs. eukaryotic cells
A
Prokaryotes: no nucleus or organelles
Eukaryotes: nucleus and organelles
2
Q
Mitochondria
A
Powerhouse of the cell
Makes ATP through cellular respiration
3
Q
Ribosomes
A
Synthesizes/makes proteins, found in cytoplasm or rough ER
4
Q
Diffusion vs. Osmosis (passive)
A
Diffusion: movement of molecules
Osmosis: movement of water across a membrane
5
Q
Nucleus
A
Controls the cell contains DNA
6
Q
Golgi apparatus
A
Packages and ships proteins
7
Q
Cell membrane
A
Controls what enters and exits the cell
8
Q
Facilitated diffusion (passive)
A
Uses protein channels to help molecules move
9
Q
Active transport
A
Requires energy/ATP
moves molecules against the concentration gradient (low to high)
examples are sodium potassium pump
