Passive Cell Transport Quiz

What is the primary component of the fluid mosaic in a cell membrane?

• Phospholipid

• Carbohydrates

• Proteins

• Cholesterol

What is the role of cholesterol in the cell membrane?

• Regulate communication between cells

• Create channels for molecule transport

• Maintain the right fluidity of the membrane

• Anchor the membrane to the cell's interior scaffolding

What is the process called when sections of the membrane engulf substances and transport them into the cell as vesicles?

• Endocytosis

• Exocytosis

• Pinocytosis

• Phagocytosis

What type of molecules can easily cross the phospholipid bilayer in the cell membrane?

• Polar and charged molecules

• Non-polar molecules

• Proteins

• Carbohydrates

What is the consistency of the phospholipid bilayer at body temperature?

• Vegetable oil

• Gel-like

• Thick like honey

• Solid like ice

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

• Create channels for molecule transport

• Regulate communication between cells

• Anchor the membrane to the cell's interior scaffolding

• Form complexes that carry out specific jobs

What is the process by which water molecules move across the cell membrane?

• Osmosis

• Diffusion

• Endocytosis

• Exocytosis

Which type of passive transport involves movement of molecules from an area of higher concentration to an area of lower concentration?

• Endocytosis

• Exocytosis

• Diffusion

• Osmosis

Tags

NGSS.HS-LS2-3

What is the role of carrier proteins in passive transport?

• They provide energy for transport

• They facilitate the movement of molecules across the membrane

• They prevent molecules from crossing the membrane

• They change the concentration gradient

What is the process by which cells expel waste materials or secretory products through the cell membrane?

• Endocytosis

• Exocytosis

• Diffusion

• Osmosis