Cell Structure and Function

Which organism lacks a nuclear membrane?

• Fungi
• Plants
• Animals
• Prokaryotes

What is the size range of a typical eukaryotic cell?

• 0.02–0.2 µm
• 1–2 µm
• 10–20 µm
• 0.1 µm

What is the significance of the cell wall in Gram staining?

• Determines shape of the cell
• Determines motility
• Determines retention or loss of stain
• Determines genetic content

What is the term for the process by which plasmid DNA is transferred between bacteria?

• Transformation
• Transduction
• Conjugation
• Replication

What is the function of the glycocalyx in bacterial pathogenesis?

• Increases antibiotic sensitivity
• Destroys immune cells
• Helps in attachment to host tissues
• Enhances motility