A student immerses a cylinder cut from a swede in a sucrose solution. The cylinder has an initial mass of 4.25 g. After it is removed and blotted dry, its mass is 3.91 g.
Calculate the change in the cylinder’s mass as a percentage of its initial mass.
194 exam-style questions on OCR GCSE Biology 2.1 Supplying the cell, covering 2.1.1 Transport across cell membranes, 2.1.2 Mitosis and the cell cycle, 2.1.3 Importance of cell differentiation, and 2.1.4 Stem cells. Each one has a worked solution and a mark scheme showing where the marks go.