Cell Structure and Function

What is the primary function of the bacterial cell wall?

• Regulate transport
• Produce energy
• Maintain shape and prevent lysis
• Store genetic material

Which of the following terms refers to the infoldings of the plasma membrane in prokaryotes?

• Ribosomes
• Nucleoid
• Mesosomes
• Vacuoles

What is the significance of plasmid DNA in biotechnology?

• Used for DNA replication
• Used for protein synthesis
• Used to monitor bacterial transformation
• Used for energy production

Which of the following statements about prokaryotic and eukaryotic ribosomes is true?

• Prokaryotic ribosomes are larger than eukaryotic ribosomes
• Both have the same size
• Prokaryotic ribosomes are smaller than eukaryotic ribosomes
• Prokaryotic ribosomes are membrane-bound

Which of the following best describes the structure of the plasma membrane in prokaryotes?

• Single-layered lipid structure
• Phospholipid bilayer with embedded proteins
• Rigid cellulose layer
• Double membrane with pores