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Photosynthesis 19 words

September 23, 2009 By Georgia S. Vocabulary.com Contributor

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Definitions Notes & Examples Words Only
  1. prokaryotic
    having cells that lack membrane-bound nuclei
    Chlorophyll can also be found in many microorganisms and even some prokaryotic cells.
  2. chloroplast
    plastid containing chlorophyll and other pigments; in plants that carry out photosynthesis
    PART II: THE CHLOROPLAST
    We already spoke about the structure of chloroplasts in the cells tutorials.
  3. photosynthesis
    synthesis of compounds with the aid of radiant energy (especially in plants)
    PHOTOSYNTHESIS -
    PART I: THE SUN AND LIGHT
    Not all of the light from the Sun makes it to the surface of the Earth.
  4. organelle
    a specialized part of a cell; analogous to an organ
    Within this cell organelle is the chlorophyll that captures the light from the Sun. We'll talk about it in a bit, but the chloroplasts are working night and day with different jobs.
  5. chlorophyll
    any of a group of green pigments found in photosynthetic organisms; there are four naturally occurring forms
    Within this cell organelle is the chlorophyll that captures the light from the Sun. We'll talk about it in a bit, but the chloroplasts are working night and day with different jobs.
  6. glucose
    a monosaccharide sugar that has several forms; an important source of physiological energy
    The other big molecules are water (H2O), carbon dioxide (CO2), oxygen (O2) and glucose (C6H12O6).
  7. stroma
    the supporting tissue of an organ (as opposed to parenchyma)
    The molecules are moved and converted in the area called the stroma.
  8. aerobic
    depending on free oxygen or air
    Animal cells need an aerobic environment (one with oxygen).
  9. microorganism
    any organism of microscopic size
    Chlorophyll can also be found in many microorganisms and even some prokaryotic cells.
  10. molecule
    (physics and chemistry) the simplest structural unit of an element or compound
    When that energy gets to a green plant, all sorts of reactions can take place to store energy in the form of sugar molecules.
  11. wavelength
    a shared orientation leading to mutual understanding
    Plants mostly absorb red and blue wavelengths.
  12. carbon dioxide
    a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis
    The other big molecules are water (H2O), carbon dioxide (CO2), oxygen (O2) and glucose (C6H12O6).
  13. electromagnetic
    pertaining to or exhibiting magnetism produced by electric charge in motion
    Light is actually energy, electromagnetic energy to be exact.
  14. dioxide
    an oxide containing two atoms of oxygen in the molecule
    The other big molecules are water (H2O), carbon dioxide (CO2), oxygen (O2) and glucose (C6H12O6).
  15. oxygen
    a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust
    The other big molecules are water (H2O), carbon dioxide (CO2), oxygen (O2) and glucose (C6H12O6).
  16. reaction
    an idea evoked by some experience
    When that energy gets to a green plant, all sorts of reactions can take place to store energy in the form of sugar molecules.
  17. compound
    a whole formed by a union of two or more elements or parts
    PART III: THE MOLECULES
    Chlorophyll is the magic compound that can grab that sunlight and start the whole process.
  18. environment
    the totality of surrounding conditions
    Animal cells need an aerobic environment (one with oxygen).
  19. chemical
    of or made from or using substances produced by or used in reactions involving atomic or molecular changes
    This reaction happens when the light energy is captured and pushed into a chemical called ATP. The second part of the process happens when the ATP is used to make glucose (the Calvin Cycle).