Cell Transport

"Osmosis" is the movement of which substance across the membrane?

• food

• energy

• oxygen

• water

Which of the following is TRUE about active transport?

• it requires energy

• it does not require energy

• It moves substances down their concentration gradient.

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

Oxygen moves from the lungs into red blood cells without the use of energy.

What type of transport describes the movement of oxygen into cells?

• osmosis

• simple diffusion

• active transport

Which cell structure helps organisms maintain homeostasis by controlling what substances may enter or leave cells?

• vacuole

• nucleus

• cell membrane

• cell wall

Tags

NGSS.HS-LS1-3

Which of the following is NOT found in passive transport?

• concentration gradient

• osmosis

• motion

• energy

The picture shows molecules moving into a cell through a protein channel.

What type of transport is shown?

• Facilitated diffusion

• Active transport

• Diffusion

• Osmosis

The Cell Membrane is shown.

What is represented by letter D in the diagram?

• Phospholipid

• Lipid Membrane

• Channel Protein

The Cell Membrane is shown. What is represented by letters C and E in the diagram?

• Lipids

• Transport Proteins

• Channel Proteins

Which of the following describes the movement of molecules AGAINST their concentration gradient?

• Simple diffusion

• Facilitated diffusion

• Active transport

• Osmosis

Water moves to dilute.

In which direction would water move through the semipermeable membrane separating sides A and B?

• From A to B

• From B to A

• Neither, the concentration of solute is equal