Explain the components and functions of a cell membrane, based on these notes.
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Understand the Problem
The image contains notes on the components of a cell membrane. The notes describe the function or location of the component, and the components listed are: membrane proteins, cholesterol, and carbohydrates.
Answer
The cell membrane regulates substance movement with proteins (integral, peripheral), lipids (phospholipids, cholesterol giving stability), and carbohydrates.
The cell membrane consists of proteins, lipids(phospholipids and cholesterol) and carbohydrates. It regulates the movement of substances into and out of the cell. Membrane proteins include: Integral proteins that span the membrane and act as channels or transporters. Peripheral proteins are attached to the membrane surface and aid in cell signaling and maintaining the cell structure. Cholesterol provides membrane stability and fluidity. Carbohydrates attach to proteins or lipids.
Answer for screen readers
The cell membrane consists of proteins, lipids(phospholipids and cholesterol) and carbohydrates. It regulates the movement of substances into and out of the cell. Membrane proteins include: Integral proteins that span the membrane and act as channels or transporters. Peripheral proteins are attached to the membrane surface and aid in cell signaling and maintaining the cell structure. Cholesterol provides membrane stability and fluidity. Carbohydrates attach to proteins or lipids.
More Information
The cell membrane is also known as the plasma membrane.
Tips
The notes contained spelling errors, be sure to double-check spelling when taking notes. For example, 'protiens' should be 'proteins'.
Sources
- Cell membrane | Definition, Function, & Structure | Britannica - britannica.com
- Cell Membrane (Plasma Membrane) - genome.gov
- Structure of the plasma membrane (article) | Khan Academy - khanacademy.org
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