3. 2. 1. 2 Prokaryotic Cells and Virus Structure

Question 1

How are prokaryotic cells different to eukaryotic cells?

Answer 1

Prokaryotic cells has:
- Cytoplasm that lacks membrane-bound organelles
- Smaller ribosomes
- No nucleus - contain single circular DNA molecule free in cytoplasm
- Cell wall containing murein, a glycoprotein

Question 2

What other features do prokaryotic cells have?

Answer 2

• One or more plasmids
• Capsule surrounding the cell
• One or more flagella

Question 3

Are viruses living or non-living?

Answer 3

Viruses are acellular and non-living