Cell Structure and Function

What connects the cytoplasm of two adjacent plant cells?

• Cell membrane
• Mitochondria
• Vacuoles
• Plasmodesmata

What is the function of the middle lamella in plant cells?

• To allow ion exchange
• To store nutrients
• To regulate water balance
• To glue neighboring cells together

What is the primary composition of the cell wall in algae?

• Chitin and protein
• Lignin and pectin
• Cellulose, galactans, mannans, and calcium carbonate
• Phospholipids and glycoproteins

Which process requires ATP?

• Osmosis
• Simple diffusion
• Facilitated diffusion
• Active transport

What is the main function of plasmodesmata?

• Store genetic material
• Produce energy
• Regulate water uptake
• Connect the cytoplasm of adjacent cells