Cell Membrane

Front

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

Back

Selectively Permeable

Front

What is the hydrophilic portion of the cell membrane?

Back

A

Front

What is the hydrophobic region of the cell membrane?

Back

E

Front

In passive transport, the concentration gradient goes from...

Back

High to low

Front

Osmosis is the diffusion of __________.

Back

water

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

What are the two main types of transport across the cell membrane?

Back

Passive transport and active transport.

Front

What is the role of cholesterol in the cell membrane?

Back

To maintain fluidity and stability of the membrane.

Front

What are phospholipids?

Back

Molecules that make up the cell membrane, consisting of a hydrophilic head and hydrophobic tails.

Front

What does it mean for a membrane to be fluid?

Back

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