Explain what an artificial membrane is and why you are using it in this lab
Purpose Statement
Background theory – what would a non-expert need to know in order to understand this lab?:

 

Describe cell membrane physiology

 

Explain what an artificial membrane is and why you are using it in this lab

 

Explain the following terms; a list of definitions is not acceptable:

Solute Solvent Solution Diffusion
Tonicity Osmosis Isotonic Hypotonic
Hyper Tonic Selectively Permeable Membrane  
  Concentration Gradient  
Hypothesis: Use “if…then…(because)…” format
List materials and equipment used.

Describe what you did in the lab with enough detail that someone else could reproduce your procedure.

Write in the past tense, active voice (“I weighted the artificial cell”)

Brief summary of results

Completed Table 1 included in report

Relate your results to the information in the background section (Introduction)

Answer lab manual questions in prose form (write paragraphs not a list of numbered answers)

Explain possible sources of error. They must be events that actually occurred and their effect on lab results (“I forgot to mix the blood suspension before using it” not “I might have used the wrong bottle”, “the glassware might have been contaminated”, etc)