structure of a prokaryotic cells and viruses Flashcards
1
Q
Describe how prokaryotic cells differ from eukaryotic cells
A
1)Prokaryotic cell cytoplasm contains no membrane bound organelles WHEREAS eukaryotic cell contains membrane bound organelles
2)Prokaryotic cell has no nucleus / contains free floating DNA WHEREAS eukaryotic cell has a
nucleus containing DNA
3)Prokaryotic DNA is circular WHEREAS eukaryotic cell is linear
4)Prokaryotic isn’t associated with proteins WHEREAS eukaryotic is associated with proteins
5)Prokaryotic cells have smaller 70s ribosomes WHEREAS eukaryotic cells have larger
ribosomes
6)Prokaryotic cell wall contains murein and peptidoglycan WHEREAS eukaryotic cell wall is
made of cellulose
2
Q
Explain why viruses are considered as non-living
A
- Acellular → not made of or able to be divided into cells
- Non-living → unable to exist/reproduce without a host cell
