Biology Extra Credit

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Across
  1. 5. – Dense region inside the nucleus where ribosomes are made.
  2. 6. – Powerhouse of the cell; site of cellular respiration and energy (ATP) production.
  3. 8. – Float in cytoplasm; make proteins used inside the cell.
  4. 10. – Endoplasmic reticulum with ribosomes; synthesizes and processes proteins.
  5. 12. – Folds of the inner mitochondrial membrane that increase surface area.
  6. 13. – Endoplasmic reticulum without ribosomes; makes lipids and detoxifies substances.
  7. 14. – Describes the flexible structure of the plasma membrane made of lipids and proteins.
Down
  1. 1. – Bound to the rough ER; make proteins for export or membranes.
  2. 2. – Contain digestive enzymes to break down waste and old cell parts.
  3. 3. – Modifies, sorts, and packages proteins and lipids for transport.
  4. 4. – Fluid-filled space inside the mitochondria.
  5. 7. – Double membrane surrounding the nucleus.
  6. 9. – Control center of the cell containing DNA.
  7. 11. – Break down fatty acids and detoxify harmful substances.