Cell Structure and Function

What happens to the nuclear envelope during mitosis?

• It becomes thicker
• It migrates to the cell membrane
• It disassembles and later reforms around daughter nuclei
• It duplicates without breaking

During which phase of the cell cycle is the nucleus most clearly visible?

• Prophase
• Metaphase
• Anaphase
• Interphase

Which structure within the nucleus is responsible for the formation of ribosomal subunits?

• Chromatin
• Nuclear pore
• Nucleolus
• Nuclear lamina

What is the term used for the fluid matrix inside the nucleus where chromatin and nucleolus are suspended?

• Cytoplasm
• Nucleoplasm
• Protoplasm
• Karyotype

How many layers does the nuclear membrane consist of?

• One
• Two
• Three
• Four