Cell Structure and Function

What is the function of invaginations in the plasma membrane of prokaryotes?

• Storing DNA
• Synthesizing ATP exclusively
• Increasing surface area for enzymatic activity
• Reproducing independently

What is a characteristic of prokaryotic cells?

• Presence of mitochondria
• Presence of a nuclear envelope
• Absence of a nuclear envelope
• Presence of a Golgi apparatus

What is a distinguishing characteristic of eukaryotic cells?

• Smaller size than prokaryotes
• Lack of ribosomes
• Presence of a variety of complex locomotory structures
• Single circular chromosome

Which structure in bacteria is used for attachment to surfaces?

• Flagella
• Spores
• Fimbriae
• Capsules

What is the correct sedimentation coefficient for prokaryotic ribosomes?

• 60S
• 70S
• 80S
• 90S