Biology 12 2-1 6 Nov 2017

Study for the practice test on 8 Nov (membrane structure and function and transport). Study all notes, case studies, and other resources such as the text (chapter 4). Actual test will be on 16 Nov. No alternative dates given for practice test.

Lab report (see guidelines) will be due after the test, 20 November.

Prepare the lab as follows:

Title: Write an informative, relevant title.

Purpose (see guidelines; includes objective, introduction and hypothesis): To determine the effects of osmosis on two samples of salt solution (NaCl) ([low] and [high]) in tap water, and the movement of materials across a semi-permeable membrane.

Materials: List all used.

Procedure – List all steps, disposal, safety precautions, etc.

Observations/data table – Present data, measurement, diagrams, sample calculations, other observations, etc.

Discussion – explain what occurred, what the results show, any sources of error, anything unexpected, etc.

Conclusion – relate findings back to the purpose and to the processes being investigated.