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The input and output of the Calvin cycle for one glucose is: In - 6 CO2, 18 ATP, 12 NADPH; Out - one glucose, 18 ADP and

  • (a) 24 NADP Your answer
  • (b) 6 NADP Your answer
  • (c) 18 NADP Your answer
  • (d) 12 NADP Correct
Your answer: Correct answer: (d)
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Explanation

Why (d) is correct

For one glucose, 12 NADPH are used, so 12 NADP+ are released, along with 18 ADP.

Why the other options are wrong

  • (a) · your answer Only 12 NADPH are used, so 24 NADP is too many.
  • (b) · your answer Six is too few: two NADPH are used for each of the six CO2.
  • (c) · your answer 18 matches the ATP count, not the NADPH count.
NCERT point: In: 6 CO2, 18 ATP, 12 NADPH. Out: glucose, 18 ADP, 12 NADP.
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