|Unit 1| Flashcards
Below this are the topics from unit 1 (4 cards)
1
Q
What 4 major components make up the structure of cellular membrane
A
- Two layers of phospholipids
- Proteins
- carbohydrates
- Cholesterol (steroid lipid)
2
Q
What is the name of the model that explains the structure of the cellular membrane/plasma membrane?
A
Fluid Mosaic Model (know how to draw this)
3
Q
What are the functions of the cellular membrane? by Phospholipids (1) and Protiens (3)
A
Phospholipids
1. Selectively isolate the cell’s internal contents(organelles) from the external environment.
Proteins
1. Allows cells to interact with other cells and the extracellular environment
2. Regulates the flow of materials in and out of the cell
3. Help attach cells
4. Regulates some biological reactions
4
Q
What are four main types of membrane proteins
A
Adhesion proteins
Enzymes
Transport proteins (channel and carrier proteins)
Receptor proteins
