Cell Membrane Practice

Front

How does a cell maintain homeostasis?

Back

By regulating what enters and leaves the cell.

Front

What is the function of carbohydrates in the cell membrane?

Back

They help cells identify one another.

Front

How many layers does the lipid bilayer have?

Back

2

Front

What does selectively permeable mean in relation to the cell membrane?

Back

It means certain things can enter while others cannot.

Front

What are lipid heads?

Back

They are polar.

Front

What is the primary role of the cell membrane?

Back

To act as a protective barrier and regulate the movement of substances.

Front

What is the structure of the cell membrane primarily composed of?

Back

A lipid bilayer with embedded proteins.

Front

What is the role of proteins in the cell membrane?

Back

They assist in transport, act as receptors, and provide structural support.

Front

What does it mean for a membrane to be fluid?

Back

It means that the components can move laterally within the layer.

Front

What is the significance of cholesterol in the cell membrane?

Back

It helps to maintain membrane fluidity and stability.