Cell Structure and Function

What process allows a cell to engulf solid particles like bacteria?

• Pinocytosis
• Exocytosis
• Osmosis
• Phagocytosis

What does selective permeability mean?

• All molecules can pass freely
• Only water can pass through
• Only ions can pass through
• Only certain molecules can pass through the membrane

What is the role of carrier proteins in the plasma membrane?

• Generate energy for the cell
• Maintain cell shape
• Synthesize DNA
• Transport polar or large molecules across the membrane

What structures connect the cytoplasm of two adjacent plant cells?

• Cell membranes
• Mitochondrial pores
• Ribosomal channels
• Plasmodesmata

Which part of the plant cell wall is capable of growth during early development?

• Middle lamella
• Secondary wall
• Tertiary wall
• Primary wall