Across
- 4. component of arthropods' exoskeletons and bodies of fungi
- 7. the state of being joined together
- 10. a process in which one substance permeates another
- 11. breakdown in living organisms of more complex substances into simpler ones together with release of energy
- 12. a threadlike strand of DNA that carries genes
- 13. the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins; during mitotic division it condenses into chromosomes
- 15. the act of dispersing something
- 18. the total amount of living matter in a given unit area
- 20. the region of the body between the thorax and the pelvis
- 23. any of green pigments found in photosynthetic organisms
- 24. organisms interacting with their physical environment
- 26. pathological breakdown of cells by the destruction of their outer membrane
- 27. the branch of biology that studies plants
- 28. marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together
- 29. any of the forms of a gene that can occupy the same locus
- 31. a chamber connected to other chambers or passageways
- 34. a microscopic network of actin filaments and microtubules in the cytoplasm of many living cells that gives the cell shape and coherence
- 35. the substance inside a cell, not including the nucleus
Down
- 1. the spatial property of being crowded together
- 2. substance that initiates or accelerates a chemical reaction
- 3. the outer granule-free layer of cytoplasm
- 5. embryonic leaf in seed-bearing plants
- 6. a specific sequence of three adjacent nucleotides on a strand of DNA or RNA that specifies the genetic code information for synthesizing a particular amino acid
- 8. the synthesis in living organisms of more complex substances (e.g., living tissue) from simpler ones together with the storage of energy
- 9. when one organism benefits from another without damaging it
- 13. a major division of the vertebrate brain
- 14. a substance used to kill microorganisms and cure infections
- 16. anterior part of the brain consisting of two hemispheres
- 17. the process by which the body breaks down food
- 19. a polysaccharide that is the chief constituent of all plant tissues and fibers
- 21. a digestive juice secreted by the liver
- 22. the environment as it relates to living organisms
- 25. organelle in which photosynthesis takes place
- 26. the branch of biology that studies the structure and function of cells
- 30. production of a chemical compound by a living organism
- 32. the state of sticking together
- 33. any substance that stimulates an immune response in the body