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5 Written questions

5 Matching questions

  1. Reduction
  2. Producers
  3. Wavelength
  4. C4 plants
  5. Carbon fixation
  1. a Two chemical reactions consume energy from six molecules of ATP and oxidize six molecules of NADPH. Six molecules of 3-PGA are reduced, producing six molecules of G3P
  2. b Alternate modes of carbon fixation have evolved that save water without shutting down photosynthesis. Preced the Calvin cycle by first fixing CO2 into a four-carbon compound. Keeps its stromata mostly closed
  3. c Rubisco combines CO2 with a five-carbon sugar called ribulose bisphosphate (RuBP). The unstable product splits into two molecules of the three-carbon organic acid, 3-phosphoglyceric acid (3-PGA). For three CO3 entering, six 3-PGA result
  4. d The distance between the crest of two adjacent waves
  5. e Make the food for the organisms in the biosphere

5 Multiple choice questions

  1. Organisms that make their own food and thus sustain themselves without consuming organic molecules derived from any other organisms
  2. Energy from light, water, ADP + P, NADP+
  3. These species are adapted to very dry climates. Pineapples, Cacti and succulent plants
  4. The green tissue in the interior of the leaf
  5. Tiny pores where carbon enters and oxygen exits

5 True/False questions

  1. 3rd step of the Calvin cycleReducation


  2. PhotonTiny pores where carbon enters and oxygen exits


  3. StromaTiny pores where carbon enters and oxygen exits


  4. Release of one molecule of G3POne molecule of G3P you see leaving the cycle is the net product of photosynthesis. A plant cell uses G3P to make glucose and other organic compounds


  5. PhotosynthesisConsists of a number of light-harvesting complexes surrounding a reaction center complex


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