CP Biology

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mabasi
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59982
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CP Biology
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2011-01-18 19:27:59
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science bio biology
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CP Biology
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  1. Scientists do this so others can try to reproduce the results, repeat their work, and their experiment procedures can be reviewed.
    publish results
  2. This allows cells in multi-cellular organisms to perform different functions.
    cell specialization
  3. Instrument used to view highly magnified 3-dimensional images of the surface of objects.
    scanning electron microscope
  4. These are important when working with animals, in the field, and in the lab.
    safety procedures
  5. Science is different than other disciplines because it relies on ____ ____.
    testing explanations
  6. When a hypothesis has enough supporting data, it becomes a ____.
    theory
  7. Factors that living things respond to.
    light, temperature
  8. A single cell develops to form a group of cells which is called a ____ ____.
    cell culture
  9. These can arise from an informed, creative imagination, from prior knowledge, or from logical inferences.
    hypotheses
  10. Internal conditions remain fairly constant.
    homeostasis
  11. Instrument used to separate substances from each other.
    centrifuge
  12. This can be tested by scientists.
    hypothesis
  13. A well tested explanation.
    theory
  14. A term that includes the sciences of zoology, botany, and paleontology.
    biology
  15. Different cell parts are separated by this technique.
    cell fractionation
  16. Level of organization that includes all other levels.
    ecosystem
  17. Explains why birds migrate for the winter.
    response to environment
  18. Type of electron that is available to form bonds.
    valence
  19. Have H+ ion concentration that are lower than pure water.
    base
  20. Process when one chemical changes into a different one.
    chemical reaction
  21. these change the speed of reactions in living cells
    enzymes
  22. these are made up of electrons, protons, and neutrons
    atoms
  23. most abundant compound found in living things
    water
  24. an example of a carbohydrate
    monosaccharide
  25. describes how chemical reactions that release energy often happen
    spontaneously
  26. atoms of the same element with the same number of protons but with a different number of neutrons
    isotope
  27. type of mixture produced when sugar or salt is stirred into boiling water
    solution
  28. type of compound that can control the rate of reactions, help to fight disease, build tissues, and regulate cell processes
    proteins
  29. type of compound that work best at a specific pH, are classified as proteins, and their shape allows them to do their job
    enzymes
  30. these can be used to treat cancer, be used as "traces" in organisms, determine ages of rocks and fossils, and kill bacteria that spoil food
    radioactive isotopes
  31. scale used to measure acid-base levels
    pH
  32. the ingrediants in a chemical reaction that start the reaction
    reactants
  33. these lower the activation energy of a chemical reaction
    catalysts
  34. sharing of a pairs of electrons
    covalent bond
  35. this is what a catalyst can do
    accelerates chemical reaction
  36. type of image produced by a scanning electron microscope
    3-dimensional
  37. organelle that breaks down food into molecules the cell can use
    lysosome
  38. you will not find this structure in animal cells
    cell wall
  39. type of organism that has specialized cells to perform different tasks
    multi-cellular
  40. a group of organs that work together to perform a specific function
    organ system
  41. first to identify and see cork cells
    Robert Hooke
  42. cells that lack a nucleus
    prokaryotic
  43. structure that makes proteins using instructions from the nucelus
    ribosome
  44. structure that regulates what enters and leaves the cell
    cell membrane
  45. examples of an organ
    heart
  46. cells, tissues, organs, organ systems
    levels of organization
  47. found that all plants and animals are made of cells
    Schleiden & Schwann
  48. type of cells that contain a nucleus
    eukaryotes
  49. this organelle is found in plant cells, but not in animal cells
    chloroplast
  50. moelcules constantly move and collide with each other
    diffusion
  51. nerve, muscle, and connective are all types of ____
    tissues
  52. the cell theory applies to ____
    all cells
  53. chromatin, DNA, and the nucleolus are found in the ____
    nucleus
  54. microtubules and microfilaments carry out ____
    cell movement
  55. requires a cell to expend energy to move materials across the membrane
    active transport
  56. a group of similar cells that perform a particular function
    tissue
  57. type of instrument that can reveal details 1000 times smaller than with a light microscope
    electron microscope
  58. organelle found in the cytoplasm that is involved in protein synthesis
    ribosome
  59. cell structure that helps the cell move and maintain its shape, and helps organelles move within the cell
    cytoskeleton
  60. an animal cell in fresh water will burst from ____ ____ that causes water to move into the cell
    osmotic pressure
  61. DNA is found in the ____ in eukaryotes
    nucleus
  62. all three types of RNA are involved in ____ ____
    protein synthesis
  63. genes contain instructions for assembling ____
    proteins
  64. the lac operon in E. coli controls the breakdown of ____
    lactose
  65. these determine the location of a dog's ears on its head
    HOX genes
  66. these become more tightly packed during mitosis
    nucleosomes
  67. what does transcription produce?
    RNA
  68. this type of RNA is a blueprint of the genetic code
    mRNA
  69. lac genes bind to the ____ when the lac repressor turns off the genes
    operator
  70. DNA with one new strand and one original strand
    replicated DNA
  71. RNA is transcribed from DNA in the ____
    nucleus
  72. type of mutation that is not categorzied as a gene mutation
    inversion
  73. found in prokaryotes but is not part of a eukaryotic gene
    operon
  74. in DNA, the percentage of pyrimidines is equal to the percentage of purines; this is due to ____ ____
    base pairing
  75. phosphate groups, cytosine, and guanine are found in ____ ____
    DNA & RNA
  76. because there are 64 different combinations of triplets but only 20 amino aicds, amino acids can be specified for by more than one kind of ____
    codon
  77. in eukaryotes, ____ ____ allows for cell specialization
    gene regulation
  78. HOX genes determine an animal's ____ ____ ____
    basic body plan
  79. RNA is found in how many main types?
    3
  80. Plants use carbon dioxide, water, and sunlight for photosynthesis to produce ____ and ____
    oxygen and high energy sugars
  81. chlorophyll is found in what part of the chloroplast?
    thylakoid
  82. where in the chloroplast does the Calvin cycle take place?
    stroma
  83. the increase in what environmental factor causes the rate of photosynthesis to increase and then level off?
    light
  84. organisms that cannot make their own food
    heterotrophs
  85. light, carbon dioxide, and water are all used in the reactions of
    photosynthesis
  86. the place where the light-dependent occur
    thylakoid membrane
  87. the main product of the Calvin cycle
    high energy sugars
  88. scientist that concluded that plants gain most of their mass from water
    van Helmont
  89. According to the equation of photosynthesis, 6 molecules of carbon dioxide will produce 6 molecules of ____
    glucose
  90. Photosystems I and II are found in the ____ ____
    thylakoid membrane
  91. the gas released by a plant growing in sunlight
    oxygen
  92. chlorophyll does not absorb light well in the ____ region of visible light
    green
  93. a stack of thylakoids is defined as a ____
    granum
  94. the substance needed to start glycolysis
    glucose
  95. the substance needed to start the Krebs Cycle
    pyruvic acid
  96. can be produced from the energy of the electrons passing along the electron transport chain
    ATP
  97. cellular respiration produces ____ ATP molecules from 1 molecule of glucose
    36
  98. glycolysis requires an input of ____ to start
    energy
  99. produced by the Krebs cycle
    electron carriers
  100. ____ ____ releases energy more slowly than fermentation does
    cellular respiration
  101. 6CO2 C6H12O6 ----> 6CO2 + 6H2O is the equation for ____ ____
    cellular respiration
  102. ATP, NADH, and pyruvic acids are all products of ____
    glycolysis
  103. this type of "chain" can be found in plants, animals, and prokaryotes
    electron transport
  104. what cellular respiration breaks down to release energy?
    food molecules
  105. this causes bubbles to form in bread during bread making
    alcoholic fermentation
  106. the organelle where electron transport occurs in eukaryotes
    mitochondria
  107. this is a product of cellular respiration
    water
  108. this is needed for the conversion of pyruvic acid into lactic acid
    NADH
  109. glycolysis produces a net gain of ____ ATP molecules
    2

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