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5 Written questions

5 Matching questions

  1. visible light
  2. Autotroph
  3. Cyclic electron flow
  4. wavelength
  5. spectrophotometer
  1. a plant capable of synthesizing its own food from simple organic substances
  2. b that portion of the electromagnetic spectrum detected as various colors by the human eye, ranging in wavelength from about 380 nm to about 750 nm.
  3. c A route of electron flow during the light reactions of photosynthesis that involves only photosystem I and that produces ATP but not NADPH or oxygen
  4. d The distance between crests of electromagnetic waves.
  5. e An instrument that measures the proportions of light of different wavelengths absorbed and transmitted by a pigment solution.

5 Multiple choice questions

  1. a 3 carbon sugar; for each CO2 are formed in the Calvin cycle; 1 leaves to be used in the cell, 5 are use for regeneration of RuBP
  2. One of two light-harvesting units of a chloroplast's thylakoid membrane; it uses the P700 reaction-center chlorophyll.
  3. A plant that uses the Calvin cycle for the initial steps that incorporate CO2 into organic material, forming a three-carbon compound as the first stable intermediate.
  4. Store the organic acids made at night in vacuoles and use them for photosynthesis during the day when stomata are closed
  5. almost identical to chlorophyll a, but slightly different absorption spectra, yellow-green

5 True/False questions

  1. stromaThe fluid of the chloroplast surrounding the thylakoid membrane.


  2. Carbon fixationthe synthesis of organic compounds from carbon dioxide, such as in photosynthesis


  3. PEP CarboxylaseAn enzyme that adds CO2 to phosphoenolpyruvate (PEP) to form oxaloacetate in C4 plants. It acts prior to photosynthesis.


  4. photophosphorylationThe process of generating ATP from ADP and phosphate by means of a proton-motive force generated by the thylakoid membrane of the chloroplast during the light reactions of photosynthesis.


  5. Photonplant capable of synthesizing its own food from simple organic substances


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