Cell Membrane + Transport

Front

To be _____________ means that it loves water.

Back

Hydrophilic

Front

What is the process called when substances move from an area of low concentration to high concentration using energy?

Back

Active transport

Front

Movement of water from high to low concentration. No energy required.

Back

Osmosis

Front

Facilitated diffusion is known as the ________

Back

Movement of small particles from high to low concentration through a protein channel. No energy required.

Front

What happens to a cell placed in a hypotonic environment?

Back

It swells as water enters the cell.

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

Define passive transport.

Back

Movement of substances across the cell membrane without the use of energy.

Front

What is diffusion?

Back

The movement of particles from an area of high concentration to an area of low concentration.

Front

What is the role of protein channels in facilitated diffusion?

Back

They allow specific molecules to pass through the cell membrane.

Front

What does it mean for a membrane to be selectively permeable?

Back

It allows some substances to pass while blocking others.