Practical Manual Unit 7: Practical Skills B5: Investigate the process of osmosis by measuring the change in length or mass of plant tissue or model cells, using Visking tubing - Science Double Award 1370 | CCEA | PapafyPractical Manual Unit 7: Practical Skills B5: Investigate the process of osmosis by measuring the change in length or mass of plant tissue or model cells, using Visking tubing - Science Double Award 1370 | CCEA | Papafy