Cell Structure and Function

What is the significance of the nuclear envelope being continuous with the ER?

• Enhances DNA replication
• Promotes lipid storage
• Reduces cellular stress
• Facilitates communication

Which of the following best describes the nuclear matrix?

• Stores nutrients
• Generates energy
• Transports molecules
• Provides structural framework

What happens to the nucleolus during cell division?

• Increases in size
• Becomes inactive permanently
• Disappears temporarily
• Dissolves completely

What is the central structure in the proximal region of the centriole called?

• Matrix
• Centrosome
• Basal body
• Hub

Which type of microtubule arrangement is found in each peripheral fibril of a centriole?

• Single
• Double
• Triplet
• Quadruple