Cellular Transport

What means of particle transport requires energy?

• passive
• active
• facilitated
• osmosis

What is the diffusion of water through a selectively permeable membrane?

• active transport
• osmotic pressure
• facilitated diffusion
• osmosis

Diffusion is the movement of particles

• from low to high concentration
• from  high to low concentration
• from equilibrium to areas of high concentration
• all of the above

Tags

NGSS.MS-PS1-4

The current model of the plasma membrane is called the

• hydrophobic layer
• transport bilayer
• phosphoproteins
• fluid mosaic model

What characteristic of the cell membrane allows only certain material to pass through?

• selective gating
• selective permeability
• hydrophilia
• selective service

What is the function of cholesterol materials in the cell membrane?

• make the membrane thicker
• make the membrane more porous
• connect the proteins together
• make the membrane more stable

Facilitated diffusion requires

• no energy
• energy

Placing a cell in an isotonic solution causes the cell to

• shrink
• swell
• stay the same

Placing a cell containing 10% salt  into a solution containing 15% salt will cause the cell to

• shrink
•  swell
• stay the same

Tags

NGSS.MS-LS1-2

Placing a cell containing 10% salt into a solution containing 7% salt will cause the cell to 

• shrink
• swell
• stay the same

Tags

NGSS.MS-LS1-2