Cell Structure and Function

Which part of the plant cell wall is capable of growth?

• Secondary wall
• Middle lamella
• Plasmodesmata
• Primary wall

What is the function of the middle lamella?

• It stores nutrients
• It facilitates photosynthesis
• It controls ion flow
• It holds neighboring cells together

What is the main component of the plant cell wall?

• Chitin
• Peptidoglycan
• Glycogen
• Cellulose

Which molecule is an example of active transport?

• Glucose transporter
• Aquaporin
• Ion channel
• Na+/K+ Pump

Which type of transport moves molecules against their concentration gradient?

• Passive transport
• Simple diffusion
• Osmosis
• Active transport