Cell Structure and Function

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

• Mitochondria
• Lysosomes
• Peroxisomes
• Endoplasmic reticulum

Which of the following best describes the endomembrane system?

• All organelles are double-membraned
• All organelles have ribosomes
• Organelles whose functions are coordinated
• All organelles are energy-producing

What is the main function of the Golgi apparatus?

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

Which organelle is most closely associated with the nucleus?

• Lysosomes
• Peroxisomes
• Centrioles
• Rough ER

Which organelle is responsible for synthesizing steroid hormones in animal cells?

• Rough ER
• Golgi apparatus
• Mitochondria
• Smooth ER