Cell transport

Front

What does 'bilayer' mean?

Back

Two layers.

Front

What type of solution was this plant placed in?

Back

Hypertonic.

Front

What is the hydrophilic portion of the cell membrane?

Back

The part that interacts with water, typically the phosphate heads of phospholipids.

Front

What is the diffusion of water only across a cell or semi-permeable membrane?

Back

Osmosis.

Front

What type of transport involves particles moving against the concentration gradient?

Back

Active Transport.

Front

Define 'hypertonic' solution.

Back

A solution with a higher concentration of solutes compared to another solution.

Front

Define 'hypotonic' solution.

Back

A solution with a lower concentration of solutes compared to another solution.

Front

What is 'isotonic' solution?

Back

A solution with equal concentration of solutes compared to another solution.

Front

What is facilitated diffusion?

Back

The process of passive transport of molecules across a cell membrane via specific transmembrane integral proteins.

Front

What is passive transport?

Back

The movement of substances across a cell membrane without the use of energy.