Introduction to Cell Transport

Which of the following is the primary component of the cell membrane?

• Phospholipids

• Nucleic acids

• Proteins

• Carbohydrates

Which of the following is true regarding active transport?

• It does not use any of its own energy.

• It uses some of its own energy.

• It uses energy from other cells.

• It moves from a high concentration to a low concentration.

Which two of the following are examples of passive transport?

• Nondisjunction

• Osmosis

• Endocytosis

• Exocytosis

• Diffusion

Which two of the following are examples of active transport?

• Nondisjunction

• Osmosis

• Endocytosis

• Exocytosis

• Diffusion

Which of the following statements is correct?

• Active transport requires cellular energy, but passive transport does not.

• Passive transport requires cellular energy, but active transport does not.

• Both passive transport and active transport require cellular energy.

• Neither passive transport nor active transport require cellular energy.

Which two molecules are most likely to cross a cell's phospholipid bilayer by simple diffusion?

• Sugar molecules

• Water

• Carbon dioxide

• Potassium ions

• Oxygen

Movement of particles from high to low concentration. 

• Passive Transport
• Active Transport

• Passive Transport
• Active Transport

What is it called when molecules move across the cell membrane from an area of high concentration to an area of low concentration through a carrier protein?

• Diffusion
• Osmosis
• Active Transport
• Facilitated Diffusion

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

Tags

NGSS.MS-LS1-5