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Across 6. a substance used to kill microorganisms and cure infections 10. a bit of tissue or fluid taken for diagnostic purposes 13. a thin membrane enclosing the cytoplasm of a cell 14. a small container 16. having a strong affinity for water 17. a slender and elongated substance that can be spun into yarn 20. not pleasant or acceptable to the taste or mind 21. formation of compounds in plants aided by radiant energy 23. a round body in a cell that is involved in protein synthesis 25. drawn out or made longer spatially 26. take off or remove 27. concerned with hypotheses and not practical considerations 30. small region of cytoplasm adjacent to the nucleus 31. relating to the study of heredity and variation in organisms 32. a membrane-bound organelle containing digestive enzymes 33. a rigid layer of polysaccharides enclosing a plant membrane

Down 1. a tiny particle of something 2. spread out; not concentrated in one place 3. a netlike structure in the cytoplasm of animal cells 4. a cavity or passage in a tubular organ 5. lacking affinity for water 7. a threadlike strand of DNA that carries genes 8. a relation between two opposite attributes or tendencies 9. the organic process of releasing some substance 11. relating to cells 12. a thin wire heated by the passage of an electric current 15. organelle in which photosynthesis takes place 18. a complex protein produced by cells that acts as a catalyst 19. light emitted during absorption of radiation of some other (invisible) wavelength 22. change by catalysis or cause to catalyze 24. of or belonging to the epithelium 28. a tiny cavity filled with fluid in the cytoplasm of a cell 29. a simple compound whose molecules can join together to form polymers