Passive Transport & Cell Membrane

What is the majority of the cell membrane made of?

• Phospholipids

• Proteins

• Carbohydrates

• Genetic Material

Which part of the cell is responsible for maintaining cell homeostasis?

• Golgi body

• Cell membrane

• Nucleus

• Cytoplasm

Tags

NGSS.HS-LS1-3

Which type of molecules can diffuse directly through the lipids in the cell membrane?

• Only enzymes

• Only water molecules

• Large particles

• Most small particles

Tags

NGSS.HS-LS2-3

Which of the following is not a function of the cell membrane?

• Maintain homeostasis

• Regulate what enters & exits the cell

• Exchange materials with the environment

• Act as a filter to break down dangerous substances

Which of the following is not another name for the cell membrane?

• Plasma membrane

• Impermeable membrane

• Phospholipid bilayer

• Semi-permeable membrane

Which of the following means all substances can move through?

• Impermeable

• Permeable

• Semi-permeable

Which of the following means some substances can move through?

• Impermeable

• Permeable

• Semi-permeable

Which of the following means no substances can move through?

• Impermeable

• Permeable

• Semi-permeable

Movement of water through a membrane

• Active transport

• osmosis

• diffusion

• facilitated diffusion

Movement of particles from high to low concentration

• diffusion

• osmosis

• active transport

• facilitated diffusion