Biology

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socaitwaslike
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134487
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Biology
Updated:
2012-02-11 18:33:42
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biology
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biology
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  1. What is the smallest unit of life that can exist as a separate entity?
    Cell
  2. What is the most important thing a cell needs to survive and reproduce?
    DNA and Energy
  3. What is everything in the universe except what humans have manufactured?
    Nature
  4. What includes all populations of all species in an area?
    Community
  5. What is a characteristic of a system that does not appear in any of its component parts?
    Emergent Property
  6. What is the conversion of solar energy to chemical energy called?
    photosynthesis
  7. How do organisms sense and respond to changes both inside and outside the body?
    receptors
  8. What does DNA code
    for the production of in organisms?
    protein
  9. How does the flow of energy move among living organisms?
    One way
  10. What is the ability of a cell to maintain a constant internal environment?
    homeostasis
  11. Energy processes are need for what biological processes?
    Life. Reproduction. Development. Growth.
  12. A scientific name consists of what names?
    Genus and Species
  13. What are the three domains of life?
    Bacteria, Eurkaryotes, Archae bacteria
  14. What kingdom consists of multicellular producers?
    Plants
  15. What group is made up of almost entirely decomposers?
    Fungi
  16. What kingdoms are
    eukaryotes?
    Produce, Fungi, Animals.
  17. What is a well-tested hypothesis that has not
    been disproved?
    Theory
  18. What is the first explanation of a problem, also called an “educated guess?”
    Hypothesis
  19. What do scientists usually conduct in order to arrive at a solution to a problem?
    Experiments
  20. What kingdom
    represents multicellular producers?
    Plants
  21. What kingdom represents prokaryotic organisms?
    Bacteria
  22. What kingdom represents yeast, mushrooms, and
    mold?
    Fungi
  23. What kingdom represents multicellular motile
    consumers?
    Animals
  24. What kingdom
    represents unicellular organisms of considerable internal complexity?
    Produce
  25. What is the
    smallest unit of an element that retains the properties of the element?
    Atom
  26. What is an element? Which is an element- oxygen or water?
    Substance that cannot be broken down. Oxygen.
  27. What is a compound? Which is a
    compound-carbon or salt?
    Two or more elements. Salt.
  28. What subatomic particle has a negative charge? A positive charge? No charge?
    Electrons, protons, and neutrons.
  29. What subatomic particles does the nucleus of an atom contain?
    Protons and Neutrons
  30. All atoms of an element have the same number of what?
    Protons.
  31. If magnesium has 12 electrons, then how many
    electrons are in each of its energy levels?
    2 in first, 8 in second, 2 in third.
  32. Water is an example of what?
    compound.
  33. What is a molecule?
    two or more atoms.
  34. What is an atom that gains or loses electrons?
    Ion
  35. In what kind of bond do both atoms exert the same pull on shared electrons?
    Nonpolar and covalent.
  36. What kind of bond is an attractive force between a hydrogen atom and another molecule? How is it represented? Are they weak or strong?
    Hydrogen. Dashes. Weak.
  37. What kinds of molecules are repelled by water?
    Hydrophobic
  38. What is a measure of an atom’s ability to pull
    electrons from other atoms?
    Cohesion
  39. Fats compose which
    part of the cell?
    Electronegativity.
  40. How many tails do
    triglycerides have?
    45
  41. What is the atom
    present in all organic compounds?
    carbon
  42. The backbone of organic molecules is composed of what covalently bonded atoms?
    carbon
  43. What kind of reaction produces large molecules by linking small molecules together?
    Condensation
  44. What is the
    breakdown of large molecules by the enzymatic addition of water?
    Hydrolysis
  45. What is the final
    by-product of many condensation reactions?
    Water
  46. Fructose and
    glucose are examples of what kind of carbohydrate?
    Sugars
  47. What kind of carbohydrate is composed of a
    molecule of fructose and a molecule of glucose?
    Sucrose
  48. In what form do
    plants store their excess carbohydrates?
    Starch
  49. What is a polysaccharide used for energy storage by animals?
    Cellulose
  50. What are examples of carbohydrates?
    Starch, Cellulose, Glycogen, Fructose, Sucrose
  51. Waxes are composed of what organic molecule?
    lipids
  52. What kind of tissue keeps penguins warm?
    adipose
  53. What are the main
    components of cell membranes?
    phospholipids
  54. What can the secondary structure of proteins look like?
    Sheets or coils. bending and looping.
  55. The sequence of amino acids is an example of what structure of proteins?
    primary
  56. Primary protein structure is formed by bonds
    between what in the amino acids?
    peptides, amine, carboxyl
  57. A string of amino
    acids forms what kind of chain?
    polypeptide chain
  58. What three things comprise an amino acid?
    amine group, carboxyl group, R group
  59. In sickle-cell anemia, what amino acid is
    replaces glutamate?
    Valine
  60. What three things
    comprise a nucleotide?
    • 5 carbon sugar,
    • nitrogen base, phosphate group
  61. What does a string
    of nucleotides form?
    nucleic acid
  62. How are nucleic
    acids bonded together?
    sugar and phosphate
  63. What are examples of polysaccharides?
    cellulose, starch, glycogen, and chitin
  64. What are some
    examples of things that contain saturated fats?
    • Trans fat. Butter. Egg. Bacon Grease. Whole
    • Milk.
  65. What are some
    examples of lipids?
    Choletstrol, Steroids, oils, butters, waxes

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