1. Cell Membrane

2. Who am I? • I am a protein molecule that is permanently attached or firmly anchored in the plasma membrane. I also serve as transport proteins, chemical receptors, and regulators for cell to cell recognition.

3. Integral proteins • I am a protein molecule that is permanently attached or firmly anchored in the plasma membrane. I also serve as transport proteins, chemical receptors, and regulators for cell to cell recognition.

4. Who am I? • I attach to membrane proteins and serve as identification tags, allowing cells to distinguish one type of cell from another. Cell recognition and cell signaling.

5. Carbohydrate chains • I attach to membrane proteins and serve as identification tags, allowing cells to distinguish one type of cell from another. Cell recognition and cell signaling.

6. Carbohydrate chains • I attach to membrane proteins and serve as identification tags, allowing cells to distinguish one type of cell from another. Cell recognition and cell signaling.

7. Who am I? • I am a protein that is not embedded and is loosely attached to the surface of the cell membrane.

8. Peripheral Protein • I am a protein that is not embedded and is loosely attached to the surface of the cell membrane.

9. Who am I? • I am found in animal cell membrane and effect fluidity (how easily the structure can move) depending on temperature. I also strengthen the cell membrane.

10. Cholesterol • I am found in animal cell membrane and effect fluidity (how easily the structure can move) depending on temperature. I also strengthen the cell membrane.

11. Who am I? • I am composed of three basic parts: a charged phosphate group and glycerol “head”, and two fatty acid chains “tail”.

12. Phospholipid • I am composed of three basic parts: a charged phosphate group and glycerol “head”, and two fatty acid chains “tail”.