Passive Transport

Passive transport moves substances from areas of ___ to ___ concentration.

• high to high

• high to low

• low to high

• low to low

Passive transport _____ need energy

• does not

• does

What type of passive transport is shown here?

• Facilitated Diffusion

• Osmosis

• Simple Diffusion

Water can easily cross the cell membrane by Simple Diffusion.

• True

• False

What type of protein is shown here?

• Carrier

• Channel

The use of proteins to move substances from high to low concentration is called

• Simple Diffusion

• Facilitated Diffusion

• Osmosis

Aquaporins are proteins that let ___ into the cell easily.

• oxygen

• glucose

• proteins

• water

The movement of water from areas of high to low concentration is called

• osmosis

• facilitated diffusion

• simple diffusion

When water enters and exits the cell at the same rate, the cell is...

• isotonic

• hypertonic

• hypotonic

A cell would lose water if it were placed in a __ solution

• Hypotonic

• Hypertonic

• Isotonic