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Across 1. cells that have two sets of chromosomes 5. has all cellular organs exceot nucleus 8. used the early light microscope 10. rod shaped structure made of DNA and protiens 12. subcellular structures only eukaryotic cells have? 14. uses light tog ive plants energy 16. what was the theory created by scientist called? 17. organells made of protein 20. the division of a cells cytoplasm

Down 2. mainly bacteria 3. cells outer membrane 4. gives shape to cells 6. what every living thing is made up 7. cell wall is only in....? 9. only plants and animals 11. organells that transfer energy 13. control center of an atom 15. hair like structures extend from the cells surface 18. what do all living things need to survive? 19. what occurs during the formation gametes?