Practical 4 (SA/V)
Purpose: Determine affect of SA/V ratio on diffusion out of “cells”
Criteria: DCP (formative )
Length: 1 hour (max)
Date (time):
Cohort: 2013 exams
Objective:
Use conductance as ions leach from agar cubes to determine affect of SA/V on movement in/out of "cells"
Preparation:
- add 12 g powdered agar per Liter of distilled water
- heat while stirring continuously
- add 100 g NaCl per Liter and mix
- heat until agar is clear - not cloudy or until boiling
- remove from heat and stir for 5 minutes
- pour into dishes and pans
Method:
[developed by students]
Comments (0)
You don't have permission to comment on this page.