chapter 2.1

3. what is the cell's nucleus filled with
5. compound light microscopes focus light through
6. describes how cells are related to living things
8. a large organism is made up of many millions of
9. ribosomes are made in the
11. controls the materials that move into and out of a cell
13. the ability to distinguish two nearby objects
16. water molecules moves out of the skin cells of a person swimming in a freshwater pond. No energy
17. allows large particles to leave the cell
18. glucose enters a liver cell through a protein channel. No engery is required
19. the cell membrane is built of a double layer
20. occurs when a cell engulfs large food particles to bring them into the cell
21. the first person to see living cells under a microscope
22. where photosynthesis occurs

1. a cells function can include obtaining food and water and getting rid of
2. oxygen moved into a concentrating heart muscle. No energy is required
4. takes place in yeast
7. uses energy to pick up specific molecules and carry them across the cell membrane
10. facilitated diffusion moves large molecules through
12. an organism that is made of one cell is what type of organism
14. a nerve cell uses energy to pump sodium out of the cell into a sodium rich enviorment
15. the scientist who determined that all animals are made of cells