Roles of membranes

Question 1

What are the membranes found at the surface of the cells?

Answer 1

• cell surface membranes

Question 2

What are some roles of cell surface membranes?

Answer 2

• provides some structural support for the cell.
• Act as partially permeable barriers between cell and its environment.
• They are involved in intercellular cell signalling.

Question 3

What is compartmentalisation?

Answer 3

• They separate organelles from the cytoplasm

Question 4

What are membranes surrounding organelles roles?

Answer 4

• compartmentalisation
• controls what enters and leaves an organelle
• it can be involved in intracellular cell signaling.

Question 5

What are roles of membranes within organelles?

Answer 5

• acts as partially permeable barriers between parts of an organelle
• it can be sites of chemical reactions.