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Autotrophic Nutrition

  • G. W. Stout
  • N. P. O. Green
Chapter
Part of the Macmillan Master Series book series (MACMMA)

Abstract

  • Phototroph An organism which utilizes light energy in order to synthesize organic molecules. (Greek: photos, light.)

  • Autotroph An organism which utilizes an inorganic source of carbon for purposes of its nutrition.

  • Heterotroph An organism which utilizes an organic source of carbon for purposes of its nutrition.

  • Holophytic (sometimes used in place of autotrophic) A form of nutrition which utilizes light energy and an inorganic source of carbon to synthesize organic molecules.

  • Limiting factor In a chemical reaction involving several factors, the factor which prevents the reaction rate from increasing because it is present at its minimum value is called the limiting factor.

  • Compensation point The point at which the rate of uptake of carbon dioxide is equal to the rate of output of carbon dioxide.

  • Action spectrum The relationship between rate of photosynthesis and wavelength of light.

  • Absorption spectrum The relationship between absorbance of light and wavelength of light, for photosynthetic pigments.

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Copyright information

© G. W. Stout and N. P. O. Green 1986

Authors and Affiliations

  • G. W. Stout
  • N. P. O. Green

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