Cell Structure and Function

Which of the following is a defining characteristic of life?

• Ability to move
• Ability to think
• Reproduction
• Cell as the structural and functional unit

Which organelle is involved in detoxifying harmful chemicals in liver cells?

• Rough endoplasmic reticulum
• Golgi apparatus
• Lysosomes
• Smooth endoplasmic reticulum

What is the role of xanthophyll in chromoplasts?

• Trap light energy
• Store starch
• Provide yellow or orange coloration
• Synthesize ATP

Which part of the mitochondrion increases its surface area for ATP production?

• Outer membrane
• Matrix
• Cristae
• Intermembrane space

What is the primary role of ribosomes?

• Energy production
• Waste disposal
• Genetic storage
• Protein synthesis