Cell Structure and Function

How many radial spokes are present in the axoneme?

• Five
• Six
• Seven
• Nine

What surrounds the axoneme of cilia and flagella?

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

What is the function of interdoublet bridges in the axoneme?

• Linking ribosomes
• Forming vesicles
• Creating pores
• Connecting peripheral doublets

What is the role of radial spokes in the axoneme?

• Transporting ions
• Generating ATP
• Synthesizing proteins
• Maintaining structural integrity

Which of the following structures anchors the cilium or flagellum to the cell?

• Cell nucleus
• Golgi apparatus
• Mitochondrion
• Basal body