I think the correct answer from the choices listed above is option A. The role of enzymes as catalysts in living systems is that they accelerate chemical reactions without getting used up in the process. Enzymes hasten chemical reactions by providing alternative path for the reaction.
1. Phospholipid Bilayer: B
2. Osmosis: X
3. Simple Diffusion: Y
4: Facilitated Diffusion: Z
5. Channel Protein: A
6. All of the processes in the image are examples of PASSIVE transport.
7. The cell membrane can be described as SEMIPERMEABLE.
