Cell Membrane Structure and Function

Front

What is the term for substances that do not mix well with water?

Back

Hydrophobic

Tags

NGSS.HS-ESS2-5

Front

What is the primary function of the cell membrane?

Back

Regulates the movement of materials into and out of the cell.

Tags

NGSS.MS-LS1-2

Front

What term describes the stable internal conditions of an organism?

Back

Homeostasis

Tags

NGSS.HS-LS1-3

Front

What is the term for substances that mix well with water?

Back

Hydrophilic

Front

How is the cell membrane similar to a window screen?

Back

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

Front

What are the main components of the cell membrane?

Back

Phospholipids, proteins, cholesterol, and carbohydrates.

Front

What is the role of phospholipids in the cell membrane?

Back

They form a bilayer that acts as a barrier to most water-soluble substances.

Front

What does it mean for a membrane to be selectively permeable?

Back

It allows some substances to pass while blocking others.

Front

What is the function of proteins in the cell membrane?

Back

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

Front

What is the significance of cholesterol in the cell membrane?

Back

It helps to maintain fluidity and stability of the membrane.