Cell Membrane

Front

What is another term for equilibrium?

Back

Homeostasis

Front

What are the two functions of proteins in the cell membrane?

Back

1.) They act like gatekeepers, only let certain things in. 2.) Enzyme receptors embedded in the membrane.

Front

What best describes the cell membrane?

Back

The protective outer layer that controls what enters and leaves the cell.

Front

What does it mean if something is selectively permeable?

Back

Some molecules can cross the membrane while others cannot.

Front

In a lipid bilayer, which fatty acid tails face each other?

Back

Hydrophobic fatty acid tails face each other within the bilayer.

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

What are phospholipids?

Back

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

Front

What role do carbohydrates play in the cell membrane?

Back

They are involved in cell recognition and signaling.

Front

What is the fluid mosaic model?

Back

A model that describes the structure of the cell membrane as a mosaic of various proteins floating in or on the fluid lipid bilayer.

Front

What is the significance of cholesterol in the cell membrane?

Back

Cholesterol helps to stabilize the membrane's fluidity.