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MIDTERM

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  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.