Across
- 3. chains of carbon atoms bonded to hydrogen atoms
- 5. state reached when both reactants and products are made at the same rate
- 8. Structures specialized to perform distinct processes within a cell.
- 12. Diffusion of water through a selectively permeable membrane from an area of higher concentration to an area of lower water concentration
- 14. of growth, DNA replication, and cell division that occurs in a eukaryotic cell
- 19. polymers that are made up of monomers called nucleotides
- 21. a solution that has the same concentrations of dissolved particles as the cell
- 28. each subunit in the complete molecule
- 29. molecule in chloroplasts that absorbs some of the energy in visible light
- 30. energy the amount of energy that will break a bond between two atoms
- 31. process that changes substances into different substances by breaking and forming chemical bonds
- 33. the movement of substances across a cell membrane without the use of energy by the cell
- 34. solution has a higher concentration of dissolved particles than a cell
- 37. nonpolar molecules that include fats, oils, and cholesterol
- 38. release of substances out a cell by the fusion of a vesicle with the membrane.
- 39. process by which a cell divides its nucleus and content
Down
- 1. substance that decreases activation energy and increases reaction rate in a chemical reaction
- 2. Process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates
- 4. molecules that contain carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur
- 6. a process that captures energy from sunlight to make sugars that store chemical energy
- 7. Theory theory that states that all organisms are made of cells, all cells are produced by other living cells, and the cell is the most basic unit of life.
- 9. a polymer made of monomers called amino acids
- 10. the movement of molecules in a fluid or gas from a region of higher concentration to a region of lower concentration
- 11. solution has a lower concentration of dissolved particles than a cell
- 13. the process of taking liquids or fairly large molecules into a cell by engulfing them in a membrane
- 15. the substances changed during a chemical reaction
- 16. Small membrane-bound sac that functions in moving products into, out of, and within a cell.
- 17. cell do not have a nucleus or other membrane-bound organelles
- 18. a compound that releases a proton when it dissolves in water
- 20. a molecule that contains many monomers bonded together
- 22. product of fermentation in many types of cells, including human muscle cells
- 23. process of producing ATP by breaking down carbon-based molecules when oxygen is present
- 24. the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
- 25. jellylike substance inside cells that contains molecules and in some cells organelles.
- 26. Catalysts for chemical reactions in living things
- 27. the substances made by a chemical reaction
- 32. molecule composed of carbon, hydrogen, and oxygen; includes sugars and starches
- 35. cells have a nucleus and other membrane-bound organelles
- 36. compounds that remove H+ ions from a solution