Question

During the light-independent reactions of photosynthesis: G3Ps get rearranged to make 5-carbon sugars with phosphates for...

  1. During the light-independent reactions of photosynthesis:

    G3Ps get rearranged to make 5-carbon sugars with phosphates

    for every three CO2, 7 G3Ps are made

    the main product is 3-phosphoglycerate

    a single glucose molecule can leave the cycle but the rest go back in

    a proton-motive force directly powers reduction of CO2

Homework Answers

Answer #1

During the light-independent reactions of photosynthesis:

The correct answer is G3Ps get rearranged to make 5-carbon sugars with phosphates

Why not 2) for every three CO2, 7 G3Ps are made: This is incorrect because for every 3 CO2 molecules, 6 G3Ps are made

Why no 3) the main product is 3-phosphoglycerate: This is incorrect because main product is sugare such as glucose

Why not 4) a single glucose molecule can leave the cycle but the rest go back in: This is incorrect, glucose is not reused in the cyle like G3P

Why not 5) a proton-motive force directly powers reduction of CO2: Incorrect proton motive force indirectly powers synthesis of ATP

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