Cell Structure and Function

What is a characteristic of eukaryotic ribosomes?

• Composed of 50S and 30S subunits
• Found in the nucleus
• Composed of 60S and 40S subunits
• Free in the cytoplasm only

What is the function of glycogen granules in prokaryotes?

• Storing lipids
• Storing inorganic phosphate
• Storing carbohydrates
• Facilitating movement

What is a feature of eukaryotic cells?

• Lack of ribosomes
• Absence of a nuclear envelope
• Presence of a nuclear envelope
• Single circular chromosome

What is the main function of the plasma membrane in prokaryotes regarding substance transport?

• DNA replication
• Protein synthesis
• Selective permeability
• ATP synthesis

What is the function of phosphate granules in prokaryotes?

• Storing carbohydrates
• Storing lipids
• Storing inorganic phosphate
• Facilitating movement