What is the function of the cell membrane?(1 point) Responses generate energy generate energy control the movement of substances in and out of the cell control the movement of substances in and out of the cell synthesize proteins synthesize proteins store genetic information
The function of the cell membrane is to control the movement of substances in and out of the cell.
The function of the cell membrane is to control the movement of substances in and out of the cell.
The function of the cell membrane is to control the movement of substances in and out of the cell. To understand this, let's break it down:
1. The cell membrane is a thin, semi-permeable barrier that surrounds the cell.
2. It is made up of a phospholipid bilayer with embedded proteins.
3. One of its primary functions is to regulate the transportation of molecules, ions, and nutrients into and out of the cell.
4. It allows selective permeability, meaning it permits the passage of certain substances while restricting others.
5. Small, non-polar molecules like oxygen and carbon dioxide can diffuse freely across the cell membrane due to their hydrophobic nature.
6. Larger or charged molecules, such as glucose or ions, require specific transport proteins or transport mechanisms to pass through the membrane.
7. The cell membrane also plays a role in maintaining the cell's internal environment by regulating the concentration of ions, nutrients, and waste products.
8. Additionally, the cell membrane can interact with other cells or the surrounding environment to help with cell signaling, communication, and adhesion.
In summary, the primary function of the cell membrane is to control the movement of substances in and out of the cell, thereby maintaining cellular homeostasis and facilitating communication with the external environment.