Cell Structure and Function

Which organelles lack a nucleus when they mature?

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

Where is ribosomal RNA synthesized in the nucleus?

• Chromatin
• Nuclear matrix
• Nucleoplasm
• Nucleolus

What is the perinuclear space?

• Space between nucleus and Golgi
• Space between nucleus and mitochondria
• Space between nucleus and ribosomes
• Space between two nuclear membranes

Which structure separates the nucleus from the cytoplasm?

• Cell membrane
• Cytoskeleton
• Endoplasmic reticulum
• Nuclear envelope

Which cellular structure forms the basal bodies of cilia or flagella?

• Nucleus
• Mitochondria
• Golgi apparatus
• Centriole