Cell Structure and Function

What is the structural organization of the centriole?

• Spherical
• Helical
• Linear
• Cartwheel-like

What does the electron microscopic study reveal about the internal structure of cilia and flagella?

• They contain ribosomes
• They contain DNA
• They contain chloroplasts
• They contain microtubules

What is the orientation of the two centrioles in the centrosome?

• Parallel to each other
• Opposite directions
• Randomly oriented
• Perpendicular to each other

What is the function of the plasma membrane covering the cilium or flagellum?

• Producing ATP
• Regulating DNA replication
• Facilitating photosynthesis
• Providing structural continuity

What type of cells possess flagella according to the text?

• Only eukaryotic cells
• Only prokaryotic cells
• Neither eukaryotic nor prokaryotic cells
• Eukaryotic and prokaryotic cells