Cell Membrane Flashcard

Front

Why is the cell membrane like a window screen?

Back

They both allow certain things to pass through, while blocking the passage of others.

Front

Which of the following are embedded in the phospholipid bilayer and help substances pass through?

Back

Proteins

Front

What is the structure that helps transport substances across the cell membrane?

Back

Carrier or transport protein

Front

How many layers thick is the cell membrane?

Back

2

Front

What is the main component of the cell membrane that forms a bilayer?

Back

Phospholipid

Front

What role do cholesterol molecules play in the cell membrane?

Back

They help to stabilize the membrane's fluidity.

Front

What are the carbohydrate molecules on the cell membrane used for?

Back

They are involved in cell recognition and signaling.

Front

What is the function of proteins in the cell membrane?

Back

They assist in transporting substances across the membrane.

Front

What is the term for the flexible nature of the cell membrane?

Back

Fluid mosaic model

Front

What is the difference between passive and active transport across the cell membrane?

Back

Passive transport does not require energy, while active transport does.