Cell Membrane: Structure and Function

Front

Most of the cell membrane is made of...

Back

Lipids

Front

___________ form the two layers of the cell membrane.

Back

Phospholipids

Front

This is a picture of which type of receptor?

Back

Intracellular

Front

A phospholipid has two parts. What are they called?

Back

Hydrophilic Head, Hydrophobic Tail

Front

Which term describes the relatively constant internal physical conditions of an organism?

Back

homeostasis

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate what enters and leaves.

Front

What are the two main types of proteins found in the cell membrane?

Back

Integral proteins and peripheral proteins.

Front

What role do cholesterol molecules play in the cell membrane?

Back

They help to stabilize the membrane's fluidity.

Front

What is the fluid mosaic model?

Back

A model that describes the structure of the cell membrane as a mosaic of various components that move freely.

Front

What does selectively permeable mean?

Back

It means the cell membrane allows certain substances to pass while blocking others.