Cell Structure and Function

Which of the following statements about the nuclear envelope is false?

• It has two membranes
• It contains pores
• It is fully permeable
• It regulates molecular traffic

Which of the following cells would you expect to have a prominent nucleolus?

• Cells in resting phase
• Cells with low metabolism
• Cells without DNA
• Cells undergoing rapid protein synthesis

What is the main purpose of the nuclear pores?

• Prevent DNA leakage
• Produce ribosomes
• Store genetic material
• Allow RNA and protein exchange

What is the function of the nuclear envelope’s outer membrane?

• Synthesizes DNA
• Breaks down waste
• Stores energy
• Continuous with ER

Which of the following is a function of the nuclear matrix?

• Generates ATP
• Stores water
• Transports molecules
• Supports nuclear structure