Cell Structure and Function

What is the primary role of the nucleolus in ribosome production?

• Translates mRNA
• Replicates DNA
• Modifies proteins
• Assembles ribosomal subunits

What is the name of the fluid-filled interior of the nucleus?

• Cytoplasm
• Stroma
• Matrix
• Nucleoplasm

What is the function of nuclear pores?

• Replicate DNA
• Produce energy
• Store genetic material
• Regulate movement of molecules

Which organelle lacks a nucleus at maturity?

• Muscle cells
• Nerve cells
• Epithelial cells
• Erythrocytes of mammals

Which cellular structure gives rise to the basal bodies of cilia and flagella?

• Nucleus
• Mitochondria
• Golgi apparatus
• Centriole