Cell Structure and Function

Which organelle synthesizes ribosomal RNA?

• Chromatin
• Nucleolus
• Nuclear envelope
• Centrosome

Which part of the nucleus regulates the passage of molecules?

• Nucleolus
• Chromatin
• Nuclear lamina
• Nuclear pores

Which phase of mitosis involves the alignment of chromosomes at the equator?

• Prophase
• Anaphase
• Telophase
• Metaphase

Which organelle contains enzymes for digesting macromolecules?

• Peroxisome
• Golgi apparatus
• Lysosome
• Ribosome

Which statement about eukaryotic cells is correct?

• They lack ribosomes
• They have a nucleoid region
• They have membrane-bound organelles
• They are always unicellular