Membrane Transport

Diffusion is a form of __________ transport.

• Passive

• Active

• Easy

• Free

Passive Transport uses ____ energy

• no

• a lot of

• a little bit of

• some

_____________ is the free movement of particles across the membrane with the concentration gradient

• diffusion

• facilitated diffusion

• active transport

• fusion

What is the movement of particles with the concentration gradient using protein "helpers"?

• diffusion

• facilitated diffusion

• active transport

• enzymatic reactions

The general name for movement of substances across cell membranes without need of energy input

• passive transport

• active transport

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

If the body can no longer make ATP, which type of transport would be impacted?

• Facilitated Diffusion

• Osmosis

• Active Transport

• Simple Diffusion

Diffusion occurs when molecules

• move through a permanent barrier

• move against the concentration gradient

• move from high to low concentration

• move from low to high concentration

All cells have a:

• Nucleus
• Plasma membrane
• Cell wall
• Buddy

The function of the plasma membrane is....

• to regulate what enters and leaves the cell.
• fight bacteria and viruses that enter the cell.
• provide rigid support and protection to the cell.
• make sure each cell can move