Cell Structure and Function

What are ribosomes made up of in prokaryotic cells?

• 40S and 60S subunits
• 50S and 30S subunits
• Two identical 40S subunits
• A single 80S unit

What is the primary function of fimbriae in bacteria?

• DNA replication
• Energy production
• Attachment to surfaces
• Protein synthesis

What is the main component of a bacterial flagellum?

• Cell wall
• Filament
• Nucleoid
• Plasmid

Which structure in some prokaryotes contains pigments and aids in photosynthesis?

• Ribosomes
• Chromatophores
• Flagella
• Pili

What is one of the primary functions of the plasma membrane in prokaryotes?

• Helping in respiration
• Storing genetic material
• Producing ATP in large quantities
• Forming the nuclear envelope