Makenzie Crossword

3. - when the concentration of two solutions is the same
4. - diffusion of water through a selectively permeable membrane
6. basic unit of all forms of life
7. - plant response to the relative lengths of light and darkness
8. the combination of chemical reactions through which organism builds up or breaks down materials
10. membrane - thin, flexible barrier that surrounds all cells regulates what enters and leaves the cell
12. variable - factor in a controlled experiment that is deliberately changed also called manipulated variable
13. - carrier molecule that transfers high-energy electrons from chlorophyll to other molecules
14. - single stranded nucleic acids that contains the sugar ribose
16. organism whose cells contain nucleus
17. - specialized structure that performs important cellular
19. - when comparing two solutions, the solution with the greater concentration of so
20. relatively constant internal physical and chemical conditions that organisms maintain

1. - in eukaryotic cells, all cellular contents outside the nucleus in prokaryotic cells, all of the cellsdependent variable- variable that is observed and that changes in response to the independent variable also called the responding variable
2. - cell organelle that breaks down lipids, carbohydrates, and proteins into small molecules that can be used by the rest of the cell
5. - one of several forms of a single element, which contains the same number of protons but different number of neutrons
9. reaction - set of reactions in photosynthesis that do not require light energy from ATP and NADPH is used to build high-energy compounds such as sugar also called the calvin cycle
11. bilayer - flexible double-layered sheet that makes up the cell membrane and forms a barrier between the cell and its surroundings
15. wall- strong, supporting layer around the cell membrane
18. the center of an atom, which contains the protons and neutrons in cells, the structure that contains the cell's genetic material in the form of DNA