Cell Structure and Function

Which of the following is a function of the smooth ER in liver cells?

• Synthesis of antibodies
• Storage of DNA
• Detoxification
• Production of ATP

Which organelle is involved in the initial packaging of proteins before they reach the Golgi apparatus?

• Mitochondria
• Lysosomes
• Endoplasmic reticulum
• Peroxisomes

Which of the following is a key feature of the endomembrane system?

• All components have ribosomes
• All components are energy-producing
• Functional coordination among components
• All components are double-membraned

What is the primary function of the Golgi apparatus?

• Energy production
• Genetic material storage
• Modification and sorting of proteins
• Detoxification

Which of the following structures is most closely associated with the nucleus?

• Lysosomes
• Peroxisomes
• Rough ER
• Centrioles