Cell Membrane

Front

How does a cell maintain homeostasis?

Back

Regulates what enters and leaves the cell.

Front

What is true about active transport?

Back

It requires energy.

Front

Why do cells move things in and out?

Back

To maintain homeostasis.

Front

Something is ___________ ____________ when some molecules can cross the membrane while others cannot.

Back

Selectively (or Semi) Permeable.

Front

Another term for equilibrium is...

Back

Homeostasis.

Front

What is the function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

Define diffusion.

Back

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

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What does it mean for a membrane to be fluid?

Back

It allows for the movement of proteins and lipids within the layer.

Front

What role do proteins play in the cell membrane?

Back

They assist in transport and communication across the membrane.