Osmosis — practice question

What characteristics does osmosis have?

• Adiffusion is involved ✓, requires cell walls ✗, requires a partially permeable membrane ✓
• Bdiffusion is involved ✓, requires cell walls ✗, requires a partially permeable membrane ✗
• Cdiffusion is involved ✗, requires cell walls ✓, requires a partially permeable membrane ✓
• Ddiffusion is involved ✗, requires cell walls ✓, requires a partially permeable membrane ✗