unit 3 vocab

1. groups of cells that work together
4. supporting layer around the cell membrane in some cells
5. when the concentration of two solutions is the same
8. the solution with the lesser concentration of solutes
10. organism whose cells contain a nucleus
12. basic unit of life
13. cellular transport where substances move against a concentration gradient
15. uses multiple lenses and light
18. cell organelle that breaks down lipids, carbohydrates, and proteins
19. permeable allows some substances to pass while others cant
21. cells move materials from within the cell into the extracellular fluid.
22. diffusion of water through a selectively permeable membrane
23. it is one type of endocytosis
24. molecules pass across the membrane through cell membrane channels
25. stores water, salts, proteins, and carbohydrates
26. the process by which cells move materials out of the cell
27. group of tissues that work together
28. particles tend to move from an area where they are more concentrated to an area where they are less concentrated

2. high magnification that uses electron beams in place of light
3. fluid portion of the cell
6. groups of organs and tissues that work together
7. the solution with the greater concentration of solutes
9. regulates what enters and leaves the cell
11. process by which solids are ingested by living cells
14. unicellular organism that lacks a nucleus
16. cells can develop in different ways to have different features to help them carry out a special task to help the organism function
17. gives the cell its shape
20. tiny sacs that transport material within or outside the cell.