Cell Structure and Function

How many central microtubules are typically found in the axoneme?

• One
• Two
• Three
• Four

What surrounds the axoneme in eukaryotic cilia and flagella?

• Cell wall
• Nuclear envelope
• Mitochondrial membrane
• Plasma membrane

What is the primary structural feature of both cilia and flagella?

• Basal body
• Centrosome
• Radial spoke
• Axoneme

What is the function of the interdoublet bridges in the axoneme?

• Facilitating ion transport
• Initiating DNA replication
• Promoting protein synthesis
• Connecting peripheral microtubule doublets

What is the function of the radial spokes in the axoneme?

• Producing ATP
• Storing genetic material
• Facilitating photosynthesis
• Maintaining structural integrity