Molecules of Life 0.0 / 5 ? BiologyCells, tissues and organsGCSEOCR Created by: soffhorrellCreated on: 10-05-15 12:58 25314 Across 1. The nucleus contains: (5) 4. This is one example of a cell that uses mitochondria (5) 5. These are too small to be seen with a microscope but also live in the cytoplasm (9) Down 2. The number of this depends on activity of the cell (12) 3. This occurs in mitochondria (11)
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