Honors Biology Midterm

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lexiipooh
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Honors Biology Midterm
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2010-01-18 13:43:36
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Biology
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midterm review
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  1. Five Steps of the Scientific Method
    • 1. Define the problem
    • 2. Form a hypothesis
    • 3. Experiment
    • 4. Observe and Record Data
    • 5. Draw Conclusions
  2. What is a control and why is it necessary in a controlled experiment?
    Is used as a comparison to the experimental group
  3. SI Unit of mass
    Gram
  4. SI Unit of volume
    Liter
  5. SI Unit of length
    Meter
  6. What is a variable?
    2 factors being tested, independent and dependent
  7. What lab equipment would you use to measure mass?
    Balance Beam
  8. To measure volume of a liquid?

    (a)striker
    (b)test-tube rack
    (c)graduated cylinder
    (d)funnel
    • Correct Answer:C
    • Explanation:A graduated cylinder holds water and has measurements and ways to measure volume.
  9. What do the numbers on a metric ruler represent?

    (a)cm
    (b)meters
    (c)mm
    • Correct Answer:A
    • Explanation:It clearly says on a ruler that it is centimeters
  10. What are the tiny lines between the numbers on the ruler?
    How many small lines are in each centimeter?
    • Mm are the tiny lines between the numbers on the ruler
    • 10 small lines are in each centimeter
  11. How many micrometers are there in a millimeter?

    (a) 5micrometers= 1mm
    (b)20000micrometers=1mm
    (c)1000micrometers=1mm
    Correct Answer:C
  12. What happens to the image of the upright letter R when placed under a microscope?
    It flipped upside down and becomes backwards
  13. Label the microscope below
    • 1.eyepiece6. unknown13.diaphragm
    • 2.coarse adjustment7.body tube14.light source
    • 3.fine adjustment8.revolving nose piece15.base
    • 4,9,10.Objective Lens11.stage clips
    • 5.arm12.stage
  14. What are the pH of an acid, base, and neutral?
    • acid:Below 7
    • base:Higher than 7
    • neutral:7
  15. Define acid.
    any compound that increase the number of hydronium ions when dissolved in water.
  16. Define base.
    any compound that increase # of hydroxide ions when dissolved in water
  17. Define dehydration synthesis.
    removal of water to make a molecule bond
  18. Define hydrolysis.
    the splitting of a molecule by reaction with water
  19. What types of bonds between water molecules give water its unique "sticky" property?

    (a)chemical bonds
    (b)hydrogen bonds
    (c)covalent bonds
    (d)ionic bonds
    • Correct Answer:B
    • Explanation:the weak attraction between hydrogen atoms and oxygen
  20. Basic unit of matter
    Atoms
  21. ion
    when an atom is charged
  22. 2 atoms with the same atomic number have different mass
    isostopes
  23. Smallest units of a substance that still retain the properties of that substance
    molecules
  24. glucose
  25. amino acid
  26. water
  27. 0=0
    oxygen
  28. carbon dioxide
  29. nitrogen
  30. H-H
    Hydrogen
  31. Define and compare and contrast enzyme and catalyst
    catalyst speed reactions by lowering activation energy

    enzymes are catalyst made of protein in living organisms
  32. List 5 characteristics of enzymes
    • 1.effected by temp.
    • 2.effected by pH
    • 3.can be used over
    • 4.unchanged
    • 5.specific
  33. 2 theories of biology
    cell and evolution
  34. Compare and contrast quantitative and qualitative
    • quantitative: measurements
    • qualitative: using your senses
  35. Compare and contrast prokaryotic and eukaryotic cell
    eukaryotic cell is complex, have a nucleus and other organelles
  36. The name of the model that describes the plasma membrane
    fluid mosaic
  37. What is the plasma membrane comprised of?
    lipids, protein channels and sugar
  38. Facilitated diffusion occurs in which part of a plasma membrane
    protein channels
  39. Which organelles are present in plant but not animal cells?
    cell wall and chloroplast
  40. Which organelle is unique to animal cells?
    centrioles
  41. Where does respiration occur in animal and plant cells?
    mitochondria
  42. Why are cells so small?
    surface areas to volume
  43. makes proteins
    ribosomes
  44. performs respiration
    cellular respiration
  45. lysosomes
    stores enzymes
  46. control center
    nucleus
  47. m
  48. made of DNA
    chromosomes
  49. contains respiratory enzymes, inner membrane is folded to increase surface area and produces ATP
    mitochondria
  50. contains photosynthetic enzymes
    chloroplast
  51. Place the following in order:

    (a)tissue,organ.cell,organism,organ system
    (b)organ system,cell,organism,organ,tissue
    (c)organism,cell,organ,organ system,tissue
    (d)cell,tissue,organ,organ system,organism
    Correct Answer:D
  52. Define diffusion.
    movement of molecules from greater to lesser concentration
  53. movement against concentration gradient
    active transport
  54. movement of water (hypo, hyper, iso)
    osmosis
  55. Cells can shrink, swell or burst due to the concentration gradient of what molecule?
    water
  56. build molecule (photosynthesis)
    anabolic
  57. Define catabolic.
    breakdown (cell respiration)
  58. release heat (cell respiration)
    exothermic
  59. uses energy (photosynthesis)
    endothermic

  60. glucose enzymes38 ATP
    aerobic respiration (cellular respiration)
  61. Photosynthesis
  62. anaerobic fermentation (glycolysis)
  63. What are the reactants of photosynthesis?
    Light reactions and calvin cycle
  64. What are the products of respiration?
    no sun (ATP)
  65. What is adenosine triphosphate?
    What is its function?
    • ATP
    • Universal energy molecule
  66. What processes produce ATP as an end product?
    cell respiration
  67. How many ATPs are produced from fermentation, respiration, and photosynthesis?

    (a)ferm: 6, resp: 10, photo: 20
    (b)ferm: 2, resp: 38, photo: 0
    (c)ferm: 1, resp: 60, photo: 10
    Correct Answer:B
  68. What makes chlorphyll green?
    reflects
  69. Copy of DNA
    Replication
  70. An ordered of sequence of events in the life of 2 dividing eukaryotic cell composed mitosis and interphase growth and DNA synthesis phases
    cell cycle
  71. Which part of the cell is the longest?

    (a)interphase
    (b)anaphase
    (c)prophase
    (d)metaphase
    (e)telophase
    Correct Answer:A
  72. fat-digesting
    lipase
  73. function of hydrochloric acid
    helps turn solid food into a liquid that makes digestion possible
  74. Breakdown of starch into sugar
    amylase
  75. A trait that helps an organism survive in its environment
    adaptions
  76. Define mutations.
    change in DNA to traits raw material for evolution (some helpful/some harmful)
  77. process in which the environment determines if an organism will/will not survive and reproduce
    Natural Selection
  78. Define Evolution
    change in a population overtime
  79. Formation of species from an existing species
    speciation
  80. Define Geographical Isolation.
    population divided by barrier that prevents intermating, geographical, reproducive

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