Prokaryotic Flashcards
1
Q
What are the differences between prokaryotic and eukaryotic cells?
A
prokaryotic cells are smaller
prokaryotic cells contain no membrane-bound organelles
prokaryotic cells have no nucleus and smaller ribosomes
2
Q
What do prokaryotic cells contain instead of a nucleus?
A
A single, circular loop of DNA free in the cytoplasm.
3
Q
What is the cell wall like in prokaryotic cells?
A
Contains murein (a glycoprotein)
4
Q
What is a plasmid?
A
Small loops of DNA which only carry a few genes e.g antibiotic resistant gene (if present)
5
Q
What is a capsule?
A
A slimy layer made of protein, it prevents the bacteria from desiccating (drying out) and protects the bacteria against the host’s immune system.
6
Q
What is the flagella?
A
Tail that rotates at the base to enable movement.
