Cell Membrane Quiz

What is the primary function of the cell membrane?

• To synthesize proteins

• To store genetic information

• To provide energy to the cell

• To separate the cell from its environment

Which model describes the structure of the cell membrane?

• Fluid Mosaic Model

• Static Model

• Lipid Bilayer Model

• Protein Layer Model

What type of molecules can easily pass through the plasma membrane?

• Hydrophilic molecules

• Large proteins

• Hydrophobic molecules

• Charged ions

What is the role of cholesterol in the cell membrane?

• To transport nutrients

• To maintain membrane fluidity

• To facilitate cell division

• To provide structural support

Which type of transport requires energy to move substances across the membrane?

• Osmosis

• Active transport

• Facilitated diffusion

• Passive transport

What is phagocytosis?

• The process of engulfing solid particles

• The process of engulfing liquid

• The movement of ions across a membrane

• The release of substances from the cell

Which of the following is a function of membrane proteins?

• Protein synthesis

• DNA replication

• Cell-cell recognition

• Energy production

What happens in a hypertonic solution?

• Water moves into the cell

• Water moves out of the cell

• No net movement of water

• Cells swell and burst