MIDTERM

1. MIDTERM BY: BRANDON WILSON

2. Directory • Midterm review and Chapter 1 pages 3-132 • Chapter 2 Chemistry of Life 133-199 • Chapter 3 Cell Structure 200-286 • Chapter 4 Cells and Energy 287-335 • Chapter 5 Cell growth • Chapter 8 DNA to Proteins

3. 1.Name this molecule which has a polar head and two non-polar tails and is used to make cell membranes.

4. Phospholipid

5. 2.Molecules (like lipids) that are “water fearing” and try to stay away from water and other polar molecules are called___________________.

6. Hydrophobic

7. 3.Organisms like green plants that can make their own food are called ________________.

8. Autotrophs

9. 4.A “living thing” can also be called a(n) ____________________.

10. Organism

11. 5. Name this molecule

12. Glycoprotien (protein with a sugar attached)

13. 6. Tell the function of the molecule in previous question.

14. Cell to cell recognition

15. 7.The nitrogen base that is NOT found in RNA is _______________.Adenine Guanine Cytosine Thymine Uracil

16. Thymine

17. 8.The process in which cells change as they grow to become different kinds of cells with different functions is called_________________.

18. Differentiation

19. 9.The name of the type of reproduction in which genetic material from two parents is combined to produce offspring.

20. Sexual

21. 10.The sum of all the chemical reactions that build up and break down molecules in cells is called_____________________.

22. Metabolism

23. 11. Cells always try to maintain a stable internal environment. This is called____________________.

24. Homeostasis

25. 12. Which of the following molecules could you join together to make a polysaccharide? A B C D

26. D

27. 13. A molecule with an uneven distribution of electric charges (more positive on one side and more negative on the other) is called____________.

28. Polar

29. 14.Which of the molecules below is an amino acid? A B C D

30. B

31. 15. The monomers (subunits) used to make proteins are________________.amino acids nucleic acids sugars lipids nitrogen bases

32. Amino acids (transfer RNA drops off)

33. 16. Which of the following molecules could you use to build a DNA molecule? A B C D

34. B- it’s a nucleotide

35. 17.Animal cells store glucose in our tissues in the form of________________.Starch glycogen cellulose glycoproteins ATP

36. Glycogen

37. 18. DNA and RNA are both_________________________.Amino acids nucleic acids carbohydrates lipids proteins

38. Nucleic acids

39. 19. The branch of science that studies all living things is called___________.

40. Biology

41. 20. Water is a ________ molecule.Polar non-­‐polar

42. Polar – gives water properties like cohesion adhesion and capillary action

43. 21. This type of chemical reaction is called________________.

44. Condensation/ dehydration reaction

45. 22. Humans are _____ and _____.Unicellular AutotrophsOr OrMulticellular Heterotrophs

46. Multicellular + Heterotrophs

47. 23 , 24, 25. Name 3 characteristics shared by all living things.

48. Demonstrates heridity (DNA)Made of cellsResponds to stimuliMetabolism (require energy)Maintain homeostasisReproduce (asexual or sexual)Grow/evolve/adapt

49. 26. List the three parts of the Cell Theory ____________, ______________, & _____________.

50. Cell is smallest unit of life, all living things made of cells, and all cells come from other cells.