Cell Membrane and Cellular Transport

What is the function of the cell membrane?

• To regulate homeostasis

• To produce ATP

• To store genetic material

• To synthesize proteins

Tags

NGSS.HS-LS1-3

What is the primary structure of the cell membrane?

• Phospholipid bilayer

• Single layer of lipids

• Protein layer

• Carbohydrate layer

Which molecules can directly pass through the cell membrane?

• Small non-polar molecules

• Large polar molecules

• Charged ions

• Proteins

What is the process called when molecules pass through the cell membrane with the help of transport proteins?

• Facilitated diffusion

• Active transport

• Endocytosis

• Exocytosis

Which molecules require a protein channel to pass through the cell membrane?

• Charged ions

• Small non-polar molecules

• Very large molecules or viruses

• All of the above

What is the energy source for active transport?

• ATP

• Glucose

• Oxygen

• Carbon dioxide

What is the process called when the cell membrane fuses with substances to bring them inside the cell?

• Endocytosis

• Exocytosis

• Diffusion

• Osmosis

Which type of endocytosis allows the cell to take in fluids?

• Pinocytosis

• Receptor-mediated endocytosis

• Phagocytosis

• Exocytosis

What is the reverse direction of endocytosis called?

• Exocytosis

• Diffusion

• Osmosis

• Active transport

What is the purpose of exocytosis?

• To get rid of cell waste

• To bring nutrients into the cell

• To produce ATP

• To store genetic material