Photosynthesis Lab 17

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Photosynthesis Lab 17
2014-03-10 20:37:26

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  1. Plants trap carbon dioxide from the atmosphere and change it into ___
    organic compounds
  2. In cellular respiration, organic compounds are broken into ___ and ___
    • Carbon dioxide
    • Water
  3. The process organisms use to obtain energy from food
    cellular respiration
  4. Energy Currency
  5. Autotrophs synthesize __ which they utilize for energy through cellular respiration.
  6. Cellular respiration chemical reactions are usually ___ (energy-yielding) reactions of carbohydrate degradation that supplies the energy necessary for ___ (energy requiring) reactions
    • exergonic
    • endergonic
  7. Cellular respiration begins with ___
  8. The breaking down of one glucose molecule into two molecules of pyruvic acid
  9. One molecule of glucose produces _ ATP, _ NADH, and _ pyruvate molecules
    • 4
    • 2
    • 2
  10. Glycolysis uses 2 ATP to begin the cycle and has a net gain of _ ATP
  11. Total ATP produced in Cellular respiration
  12. Light reactions convert light energy into __ energy
  13. Protein molecules that absorb visible light
  14. Pigments are found in the ___ of autotrophic organisms
  15. Pigments: Green are __, __ dark yellow, __ light yellow, __ redish purple
    • chlorophyll
    • xanthophylls
    • carotenes
    • anthocyanin
  16. Chlorophyll takes replacement electrons from __ after it loses one from an excited state. This liberates __
    • water
    • Oxygen
  17. __ reactions occur in the thylokoid membranes of the chloroplast, and use a complex arrangement of photosystems to generate energy in the form of __ and __
    • Light
    • ATP+
    • NADPH
  18. Dark reactions occur in the __ of the chloroplast.
  19. "dark" reactions can or cannot occur in the absence of light?
  20. Russian Botanist __ described the seperations of plant leaf pigments in solution through the use of solid absorbents. He named this process __.
    • Mikhail Tswett
    • chromatography
  21. Greek color
    Greek to write
    • chroma
    • graphein
  22. Paper chromatography was developed by __ and __
    • Archer Martin
    • Richard Synge
  23. When the aqueous component of the solvent binds to the cellulose of the paper
    Stationary gel-like phase
  24. When the organic component of the solvent continues migrating
    mobile phase
  25. The distance a pigment travels depends on:
    • The degree of adsorption of the paper (negative relationship)
    • The degree of solubility of the solvent used (positive relationship)
  26. Pigments with a high degree of adsorption and low solubility will move the __ distance and will be concentrated near the __
    • shortest
    • original location of the pigments
  27. Pigments with a low degree of adsorption and high solubility will __
    travel farther from the pigment origin
  28. The relationship of the movement of each pigment (solute) to the movement of the solvent can be expressed as the __
    Rf value
  29. Rf=
    distance moved by pigment divided by distance moved by solvent
  30. Where the drop of solution is placed about 2cm above the end of the strip
    point of origin
  31. Photosynthesis occurs in the __, while respiration occurs in the ___
    • Chloroplasts
    • mitochondria