Prokaryotic Cells Flashcards
1
Q
Prokaryote
A
lacks a nucleus and membrane bound organelles
2
Q
Plasmid
A
Small circular loops of DNA
Give the bacteria resistance to harmful chemicals
3
Q
Compare eukaryotic and prokaryotic cells
A
Eukaryotic cells:
• have a nucleus
• DNA is associated with histomes (proteins)
• ribosomes are larger (80s)
Prokaryotic cells:
• have no nucleus
•DNA isn’t associated with proteins
• ribosomes are smaller (70S)
4
Q
Cell membrane
A
Made out phospholipids and proteins
Controls the entry and exit of substances
5
Q
Mesosome
A
Contains membrane bound proteins needed for respiration and photosynthesis
6
Q
Cell wall
A
Made out murein (glycoprotein)
7
Q
2 kinds of cell wall
A
Gram positive and gram negative
8
Q
Gram positive
A
Stains purple
9
Q
Gram negative
A
Stains pink
