In the Calvin cycle, _ molecules of CO2 are bound to the same amount of RuBP molecules to produce 12 molecules of __.

A. 3; PGA
B. 1; ATP
C. 6; NADPH
D. 2; G3P

Question

High School

Answer :

ShawnLewise ShawnLewise · Answer 1 · 2023-07-22T08:19:24-04:00

(a) The Calvin cycle binds 3 CO2 molecules to RuBP to produce 12 molecules of 3-PGA.

In the Calvin cycle, 3 molecules of CO2 are bound to the same amount of RuBP molecules to produce 12 molecules of 3-PGA.

The Calvin cycle operates in three stages:

First, CO2 is incorporated into an organic molecule by the enzyme RuBisCO, resulting in 3-PGA.
This substance is then reduced using electrons from NADPH.
Finally, RuBP, the initial molecule, is regenerated to restart the cycle.

This process must be completed three times to generate a single GA3P molecule and six times to create a glucose molecule.

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