Physical Science A pass mark can be obtained by good answers to about four questions or their equivalent. Which of the following classes of substance is not thought to be a major component of the cell membrane Attempt all the questions. Marks will not be deducted for wrong answers, your total score on this test will be the number of correct answers given. Make a large, labelled drawing of a very small but typical portion of: A school skirt could be made from terylene and wrsted, have permanent inverted pleats, the zip concealed and the waist finished with a petersham band

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