Introduction to the Plasma Membrane and the Fluid Mosaic Model is a part of the VCE Biology area of study ‘How Do Cellular Processes Work?’. It is a part of the subtopic ‘Plasma Membranes’.
The syllabus point covered in this post is:
- examine the fluid mosaic model of the structure of the plasma membrane and the movement of hydrophilic and hydrophobic substances across it based on their size and polarity.
The Plasma Membrane
The plasma membrane is the border that defines the cell. It is a semi-permeable barrier that allows substances to enter and exit the cell as needed.
Watch this video to learn all about the plasma membrane.
The Fluid Mosaic Model
The fluid mosaic model was proposed by scientists S.J Singer and G. L Nicolson in 1972. It explains that the plasma membrane is a mosaic of parts, including phospholipids, proteins, carbohydrates and cholesterols.
This video will explain the concept in more detail.
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