1. 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Biology & You Chemistry Cells EnergyMitosis

2. All living things are composed of one or more of these.

3. What are cells?

4. The first step of the scientific method.

5. What is make observations?

6. A possible explanation or solution for a problem.

7. What is a hypothesis?

8. The ability to maintain a constant internal environment.

9. What is homeostasis?

10. The sum of all chemical reactions carried out in an organism.

11. What is the metabolism?

12. These subatomic particles occupy the space surrounding the nucleus.

13. What are electrons?

14. This element is found in all organic compounds.

15. What is carbon?

16. Type of bond that forms between oppositely charged molecules.

17. What are ionic bonds?

18. The ability to make an image appear larger than its actual size.

19. What is magnification?

20. Weak chemical attraction between polar molecules

21. What are hydrogen bonds?

22. Cells that are not dividing remain in this stage

23. What is prophase?

24. The cell structure that acts as a gate to the cell’s interior.

25. What is the cell membrane?

26. The function of the Golgi apparatus.

27. Packages and distributes proteins.

28. Besides having a nucleus, what do eukaryotic cell have that prokaryotic cells do not?

29. Membrane bound organelles.

30. What are the elongated proteins that are found on the surface of a cell.

31. What are marker proteins?

32. Where does the energy used in the Calvin cycle for the production of carbohydrates comes from?

33. ATP and NADPH?

34. As light intensity increases what happens to the rate of photosynthesis?

35. It increases until the light saturation point is reached.

36. The major atmospheric by- product of photosynthesis.

37. What is oxygen?

38. During photosynthesis, what is the reaction that creates complex carbohydrates called.

39. The Calvin Cycle.

40. What causes ions to move through ion channels?

41. Passive transport – concentration gradient.

42. What are spindle fibers that are made of hollow tubes of protein called?

43. Microtubules.

44. When doe chromosomes coil up and become visible?

45. Prophase.

46. The process in which bacteria split asexually into tow identical organisms.

47. What is binary fission?

48. How many chromosomes do people with Down syndrome have in each cell?

49. 47.

50. The medium in which most cellular events take place.

51. What is water?