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Tag Archives: cholesterol

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Cell Membrane Function and Structure

ScienceBy William Anderson (Schoolworkhelper Editorial Team)July 1, 2010Leave a comment

The plasma membrane surrounds the cell  and is crucial to cell life: it must control what enters and leaves the cell.  It must allow sufficient amounts of food molecules, such as glucose, to pass into the cell and must also allow for the quick removal of waste products from the cell. Membrane Structure Phospholipids Most…

Urine Analysis Lab Analysis Answers

ScienceBy William Anderson (Schoolworkhelper Editorial Team)June 24, 20101 Comment

Sample B indicates diabetes mellitus. Diabetes mellitus is caused by inadequate secretion of insulin from islet cells in the pancreas, which causes sugar levels to rise. People suffering from this disease will have higher blood sugar concentrations which remain in the nephrons and this is detected in their urine. This correlates with sample B result…

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