Cell Membrane and Transport (HL)

Question 1

What is the characteristics of all cells?

Answer 1

That they are:
- Surrounded by a plasma membrane
- Contain cytoplasm- cell contents in thick fluid
- Genetic material passes on hereditary information
- Eukaryotic cells have developed organelles- structures for function

Question 2

What are the functions of Plasma Membrane?

Answer 2

• Separates cell’s internal and external environment
• Helps cells maintain homeostasis (steady internal environment)
• Double layer of phospholipids and proteins