Passive transport

Passive transport (select all that apply)

• Uses energy

• Uses no energy

• Reaches equilibrium

• Does not reach equilibrium

When solute particles move directly through the lipid bilayer (membrane) without a protein

• osmosis

• facilitated diffusion

• simple diffusion

• active transport

When large, charged or polar molecules move through a protein to reach equilibrium

• osmosis

• simple diffusion

• facilitated diffusion

• active transport

Which of the following does NOT affect the rate of diffusion

• temperature

• particle size

• concentration gradient

• altitude of cell

The diffusion of water is

• Osmosis
• Evaporation
• Condensation
• Sublimation

Tags

NGSS.HS-ESS2-5

In simple and facilitated diffusion, solute particles move from ____ to ____.

• higher concentration to lower concentration
• outside the cell to inside the cell
• randomly without any direction
• lower concentration to higher concentration

In osmosis, water moves from ____ to ____.

• hypertonic to hypotonic solution

• hypotonic to hypertonic solution

The cell membrane is _____________ which means it only allows specific molecules to cross.

• impermeable
• selectively permeable
• fluid mosaic

• permeable to all molecules

What three characteristics must be true in order for a molecule to directly cross the membrane?

• Charged, hydrophilic, and protein bound
• Small, nonpolar, and uncharged

• Large, polar, and water soluble
• Hydrophobic, polar, and ionized

solution with a higher solute concentration

• hypertonic

• hypotonic

• isotonic