Membrane Transport

What is the main function of the cell membrane?

• Regulation

• Protection

• Communication

• All of the above

Tags

NGSS.MS-LS1-2

What is the structure of the cell membrane called?

• Phospholipid bilayer

• Protein mosaic

• Carbohydrate chain

• Fluid model

What is the role of marker proteins in the cell membrane?

• Transporting materials

• Identifying the cell

• Receiving signals

• None of the above

Which type of transport requires energy?

• Simple diffusion

• Sodium Potassium Pump

• Facilitated diffusion

• Osmosis

What is the process by which cells take in large molecules?

• Endocytosis

• Exocytosis

• Diffusion

• Osmosis

What is the term for the diffusion of water across a semipermeable membrane?

• Diffusion

• Osmosis

• Facilitated diffusion

• Active transport

Which type of solution could cause a cell to burst?

• Hypotonic

• Hypertonic

• Isotonic

• None of the above

What type of proteins are responsible for moving materials in and out of the cell?

• Marker proteins

• Receptor proteins

• Transport proteins

• Integral proteins

Which type of transport protein can change its shape to move substances?

• Channel proteins

• Carrier proteins

• Gated channel proteins

• Peripheral proteins

What is the force within the cell that pushes the plasma membrane against the cell wall in plant cells?

• Turgor pressure

• Osmotic pressure

• Diffusion pressure

• Active pressure