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5 Written questions

5 Matching questions

  1. C3 plants
  2. Stomata
  3. Stroma
  4. Carbon fixation
  5. Outputs of the Calvin cycle
  1. a A thick fluid that is enclosed by the two membranes of the chloroplast
  2. b First organic compound produced is the three-carbon compound 3-PGA.Common and widely distributed; they include soy beans, oats, wheat and rice.
  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 Sugar, NADP+, ADP + P
  5. e Tiny pores where carbon enters and oxygen exits

5 Multiple choice questions

  1. Regeneration of RuBP
  2. 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
  3. Make the food for the organisms in the biosphere
  4. Stacks of thylakoids
  5. A light-absorbing pigment in the chloroplasts that plays a central role in the chloroplasts

5 True/False questions

  1. Calvin cycleConsists of Carbon fixation, reduction, release of G3P, and regeneration of RuBP. Using carbon from CO2, electrons from NADPH, and energy from ATP, the cycle constructs G#P, which is used to build glucose and other organic molecules


  2. PhotoautotrophsOrganisms that make their own food and thus sustain themselves without consuming organic molecules derived from any other organisms


  3. 3rd step of the Calvin cycleRelease of one molecule of G3P


  4. PhotosynthesisTransform light energy to chemical engergy stored in the bonds of sugar they make from carbon dioxide and water


  5. Inputs of the Calvin cycleCO2


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