Biochem exam 1

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thy
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170612
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Biochem exam 1
Updated:
2012-09-13 01:08:48
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biochem organic chemistry
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Biochemistry exam 1
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  1. The study of matter & changes
    Chemistry
  2. Information that is gathered and interpreted 
    Scientific Method
  3. A T________: must be consistent with experimental evidence, must accurately produce the results of future experiments & must explain future observations
    Theory
  4. S______ L______ : statements that describe things that are consistently & reproducibly observed
    Scientific law
  5. M______: has mass and occupies space
    Mass
  6. P_______ P______: characteristics can be determined without changing chemical composition of matter
    physical properties
  7. Matter is typically found in one of three different physical states or phases: 
    solid, liquid, gas
  8. Solids have ...?
    Liquids have...?
    Gases have...?
    • Solids have fixed shapes and fixed volumes
    • Liquids have variable shapes and fixed volumes
    • Gases have variable shapes and variable volumes¬†
  9. Ability to do work & transfer heat
    Energy
  10. 1)What are the two forms of energy?
    2)Which one is stored energy and which is the energy of motion?
    1 & 2) potential and kinetic
  11. _______ is how close a measured value is to an actual value
    accuracy
  12. ________ is a measure of reproducibility
    precision
  13. D____ ______ t_______ - the atom is the basic unit form which matter is constructed.
    daltons atomic theory
  14. M________ a_______ t________: normal matter is made from atoms which are built from subatomic particles: protons, neutrons, electrons
    modern atomic theory
  15. I________: Atoms of an element that have different # of neutrons
    Isotopes
  16. G________ s________ is when the electrons are in energy levels as near as possible to the nucleus.
    ground state
  17. R_______ I_______: unstable nuclei spontaneously disintegrate to become more stable releasing high energy particles and/or high energy electromagnetic radiation
    radioactive isotope
  18. N______ r_____: energy/ particle releases from this nuclear change
    nuclear radiation
  19. F________: an atom's nucleus splits to produce two smaller nuclei, a number a number of neutrons, and energy.
    Fission
  20. F_____: a nuclear process in which smaller nuclei combine to form a larger nucleus.
    fusion

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